Viruses Related Quotes

Never say that you can't do something, or that something seems impossible, or that something can't be done, no matter how discouraging or harrowing it may be; human beings are limited only by what we allow ourselves to be limited by: our own minds. We are each the masters of our own reality; when we become self-aware to this: absolutely anything in the world is possible. Master yourself, and become king of the world around you. Let no odds, chastisement, exile, doubt, fear, or ANY mental virii prevent you from accomplishing your dreams. Never be a victim of life; be it's conqueror.

Don't worry if you're having a hard time following this oversimplified explanation of physics' most challenging problem. For most of us, understanding special relativity is a little like true love: We should consider ourselves lucky if we can grasp hold of it for even one fleeting moment.

...The CDC has also said that it’s virtually impossible to tell a murder victim killed by a shot to the head or spinal column from an infected individual put down legally in the same fashion. What is your answer to critics of the relaxed gun control laws who hold that gun-related violence has actually increased, but has been masked by the postmortem amplification of the Kellis-Amberlee virus?

It is a tragedy, at rate at which EBOLA VIRUS is spreading in West Africa. It is a fatal disease in the history of the world. Intensive education (formal and informal approaches) of the citizens of African can help prevent the spread. International cooperation is urgently needed to combat the EBOLA virus.

A virus can change the fate of the world; power has nothing to do with being tiny or giant! Power is something related to the power hidden within you!

We can quarantine people But We can't quarantine Love

Apart from a few viruses, all life on Earth now relies on DNA to hold the information that it needs to reproduce. But the most likely players in the first games of life were molecules of the related genetic material RNA, which is more flexible than DNA because it can both carry information down the generations and also catalyze—speed up—chemical reactions, a very handy feat. And RNA still carries out all kinds of critical roles in organisms that are described by DNA, including human beings.

Human Disease Animal with Most Closely Related Pathogen Measles cattle (rinderpest) Tuberculosis cattle Smallpox cattle (cowpox) or other livestock with related pox viruses Flu pigs and ducks Pertussis pigs, dogs Falciparum malaria birds (chickens and ducks?)

The rate spread of EBOLA VIRUS in West Africa, is big tragedy. It is a fatal disease in the history of the world. Intensive education (formal and informal approaches) of the citizens of African can help prevent the spread. International cooperation is urgently needed to combat the EBOLA virus.

To this day, I attempt to walk through walls, real and imagined, external and internal. Sometimes in the midst of stress, insanity, wannabe dictators, wars, cruelty, injustice, greed, quarantines, pandemic viruses, I think back to those days along these roads. In my mind, I have never stopped walking.

Darkness seems to have prevailed and has taken the forefront. This country as in the 'cooperation' of The United States of America has never been about the true higher-good of the people. Know and remember this. Cling to your faith. Roll your spiritual sleeves up and get to work. Use your energy wisely. Transmute all anger, panic and fear into light and empowerment. Don't use what fuels them; all lower-energy. Mourn as you need to. Console who you need to—and then go get into the spiritual and energetic arena. There's plenty work for us to do; within and without. Let's each focus on becoming 'The President of Our Own Life. Cultivate your mind. Pursue your purpose. Shine your light. Elevate past—and reject—any culture of low vibrational energy and ratchetness. Don't take fear, defeat or anger—on or in. The system is doing what they've been created to do. Are you? Am I? Are we—collectively? Let's get to work. No more drifting through life without your higher-self in complete control of your mind. Awaken—fully. Activate—now. Put your frustrations or concerns into your work. Don't lose sight. There is still—a higher plan. Let's ride this 4 year energetic-wave like the spiritual gangsters that we are. This will all be the past soon. Let's get to work and stay dedicated, consistent and diligent. Again, this will all be the past soon. We have preparing and work to do. Toxic energy is so not a game. Toxic energy and low vibrations are being collectively acted out on the world stage. Covertly operating through the unconscious weak spots and blind spots in the human psyche; making people oblivious to their own madness, causing and influencing them to act against–their–own–best–interests and higher-good, as if under a spell and unconsciously possessed. This means that they are actually nourishing the lower vibrational energy with their lifestyle, choices, energy and habits, which is unconsciously giving the lower-energy the very power and fuel it needs—for repeating and recreating endless drama, suffering and destruction, in more and more amplified forms on a national and world stage. So what do we do? We take away its autonomy and power over us while at the same time empowering ourselves. By recognizing how this energetic/spiritual virus or parasite of the mind—operates through our unawareness is the beginning of the cure. Knowledge is power. Applied knowledge is—freedom. Our shared future will be decided primarily by the changes that take place in the psyche of humanity, starting with each of us— vibrationally. In closing and most importantly, the greatest protection against becoming affected or possessed by this lower-energy is to be in touch with our higher vibrational-self. We have to call our energy and power back. Being in touch with our higher-self and true nature acts as a sacred amulet, shielding and protecting us from the attempted effects. We defeat evil not by fighting against it (in which case, by playing its game, we’ve already lost) but by getting in touch with the part of us that is invulnerable to its effects— our higher vibrational-self. Will this defeat and destroy us? Or will it awaken us more and more? Everything depends upon our recognizing what is being revealed to us and our stepping out of the unconscious influence of low vibrational/negative/toxic/evil/distraction energy (or whatever name you relate to it as) that is and has been seeking power over each of our lives energetically and/or spiritually, and step into our wholeness, our personal power, our higher self and vibrate higher and higher daily. Stay woke my friends—let's get to work.

reaches a cell wall, it disintegrates into hundreds of individual virus particles, and the broodlings push through the cell wall like hair and float away in the bloodstream of the host. The hatched Ebola particles cling to cells everywhere in the body, and get inside them, and continue to multiply. It keeps on multiplying until areas of tissue all through the body are filled with crystalloids, which hatch, and more Ebola particles drift into the bloodstream, and the amplification continues inexorably until a droplet of the host’s blood can contain a hundred million individual virus particles. After death, the cadaver suddenly deteriorates: the internal organs, having been dead or partially dead for days, have already begun to dissolve, and a sort of shock-related meltdown occurs. The corpse’s connective tissue, skin, and organs, already peppered with dead spots, heated by fever, and damaged by shock, begin to liquefy, and the fluids that leak from the cadaver are saturated with Ebola-virus

We relate to the virus, in some ways, as we relate to Trump. We yearn desperately to return to a time of imagined normalcy, before Trump and before the coronavirus. But we can heal only by looking forward—perhaps to a life that will be slower, more environmentally responsible and less materially comfortable, but also more clearly rooted in mutual aid and the understanding of our fundamental equality and interdependence.

The relatively conservative WHO suggests “a relatively conservative estimate — from 2 million to 7.4 million deaths” if bird flu jumps to humans and becomes airborne (as swine flu — H1N1 — did). “This estimate,” they go on to explain, “is based on the comparatively mild 1957 pandemic. Estimates based on a more virulent virus, closer to the one seen in 1918, have been made and are much higher.” Mercifully, the WHO does not include these higher estimates on its “things you need to know” list.

The other side of this coin is that viruses may be genes who have broken loose from ‘colonies’ such as ourselves. Viruses consist of pure DNA (or a related self-replicating molecule) surrounded by a protein jacket. They are all parasitic. The suggestion is that they have evolved from ‘rebel’ genes who escaped, and now travel from body to body directly through the air, rather than via the more conventional vehicles—sperms and eggs. If this is true, we might just as well regard ourselves as colonies of viruses!

Natural selection builds child brains with a tendency to believe whatever their parents and tribal elders tell them. Such trusting obedience is valuable for survival: the analogue of steering by the moon for a moth. But the flip side of trusting obedience is slavish gullibility. The inevitable by-product is vulnerability to infection by mind viruses. For excellent reasons related to Darwinian survival, child brains need to trust parents, and elders whom parents tell them to trust. An automatic consequence is that the truster has no way of distinguishing good advice from bad. The child cannot know that ‘Don’t paddle in the crocodile-infested Limpopo’ is good advice but ‘You must sacrifice a goat at the time of the full moon, otherwise the rains will fail’ is at best a waste of time and goats. Both admonitions sound equally trustworthy. Both come from a respected source and are delivered with a solemn earnestness that commands respect and demands obedience. The same goes for propositions about the world, about the cosmos, about morality and about human nature.

Scientists discovered that 82% of subjects tested for COVID-19 in a study had a Vitamin D deficiency. That makes sense. Exposure to sunlight creates Vitamin D in the human body. Sars-CoV-2 is closely related to the bat virus RaTG13 and other viruses in bats, and they live in deep, dark caves and usually only emerge at night. The lack of Vitamin D made those subjects physiologically similar to the natural host (it's alleged COVID mutated in some unknown vector into a more virulent form) and created ideal conditions for zoonosis to occur.

INFECTIOUS DISEASE IS all around us. Infectious disease is a kind of natural mortar binding one creature to another, one species to another, within the elaborate biophysical edifices we call ecosystems. It’s one of the basic processes that ecologists study, including also predation, competition, decomposition, and photosynthesis. Predators are relatively big beasts that eat their prey from outside. Pathogens (disease-causing agents, such as viruses) are relatively small beasts that eat their prey from within. Although infectious disease can seem grisly and dreadful, under ordinary conditions it’s every bit as natural as what lions do to wildebeests and zebras, or what owls do to mice.

Entomophthora fungus carries around a type of virus that infects insects, not fungi. The lead author of the study reported it to be “one of the whackiest discoveries” of his time in science. What’s whacky is the implication: that the fungus uses the virus to manipulate the mind of insects. It’s still a hypothesis, but it’s plausible. A number of related viruses specialize in modifying insect behavior. One such virus is injected by parasitic wasps into ladybirds, which tremble, remain rooted to the spot, and become guardians for the wasp’s eggs. Another similar virus makes honeybees more aggressive. By harnessing a mind-manipulating virus, the fungus wouldn’t have to evolve the ability to modify the mind of its insect host.

For example, measles virus is most closely related to the virus causing rinderpest. That nasty epidemic disease affects cattle and many wild cud-chewing mammals, but not humans. Measles in turn doesn’t afflict cattle. The close similarity of the measles virus to the rinderpest virus suggests that the latter transferred from cattle to humans and then evolved into the measles virus by changing its properties to adapt to us. That transfer is not at all surprising, considering that many peasant farmers live and sleep close to cows and their feces, urine, breath, sores, and blood. Our intimacy with cattle has been going on for the 9,000 years since we domesticated them—ample time for the rinderpest virus to discover us nearby. As

Our brains, for instance, are 70 percent fat, mostly in the form of a substance known as myelin that insulates nerve cells and, for that matter, all nerve endings in the body. Fat is the primary component of all cell membranes. Changing the proportion of saturated to unsaturated fats in the diet, as proponents of Keys’s hypothesis recommended, might well change the composition of the fats in the cell membranes. This could alter the permeability of cell membranes, which determines how easily they transport, among other things, blood sugar, proteins, hormones, bacteria, viruses, and tumor-causing agents into and out of the cell. The relative saturation of these membrane fats could affect the aging of cells and the likelihood that blood cells will clot in vessels and cause heart attacks.

So much of what my generation had been promised disintegrated at our touch. Consider the friend, a painter of seascapes, who dreamed of affording waterfront property. On the day the levees broke, the Gulf flooded her studio and painted her walls with costly oils. Consider the friend who worked for six years at a company he hated on the promise of a sabbatical, only to be let go. The friend who complained about family reunions and lost every relative over the age of fifty to a virus. The friend who saved up to invest in a fund and saw her money dissolve like sugar on the tongues of bankers who barely got a scolding from the SEC. The life we'd been promised was a scam, the world a scam, the whole goddamn play a scam and there seemed nothing to do but burn it down as rioters did in Paris, New York, Nairobi—and then creep back through the embers because what other choice did we have?

Viruses, for instance, perform a really irritating function of intermingling the DNA from every species on Earth with every other. As Richard Lewontin puts it . . . It used to be thought that new functions had to arise by mutations of the genes already possessed by a species and that the only way such mutations could spread was by the normal processes of reproduction. It is now clear that genetic material has moved during evolution from species to species by means of retroviruses and other transposable particles. . . . What is so extraordinary in its implications for evolution is that transposition can occur between forms of life that are quite different, between distantly related vertebrates, for example, or even between plants and bacteria. . . . Thus, the assumption that species are on independent evolutionary pathways, once they have diverged from each other and can no longer interbreed, is incorrect. All life-forms are in potential genetic contact and genetic exchanges between them are going on. . . . The evolutionary “tree of life” seems the wrong metaphor. Perhaps we should think of it as an elaborate bit of macramé.16

Outlawing drugs in order to solve drug problems is much like outlawing sex in order to win the war against AIDS. We recognize that people will continue to have sex for nonreproductive reasons despite the laws and mores. Therefore, we try to make sexual practices as safe as possible in order to minimize the spread of the AIDS viruses. In a similar way, we continually try to make our drinking water, foods, and even our pharmaceutical medicines safer. The ubiquity of chemical intoxicants in our lives is undeniable evidence of the continuing universal need for safer medicines with such applications. While use may not always be for an approved medical purpose, or prudent, or even legal, it is fulfilling the relentless drive we all have to change the way we feel, to alter our behavior and consciousness, and, yes, to intoxicate ourselves. We must recognize that intoxicants are medicines, treatments for the human condition. Then we must make them as safe and risk free and as healthy as possible. Dream with me for a moment. What would be wrong if we had perfectly safe intoxicants? I mean drugs that delivered the same effects as our most popular ones but never caused dependency, disease, dysfunction, or death. Imagine an alcohol-type substance that never caused addiction, liver disease, hangovers, impaired driving, or workplace problems. Would you care to inhale a perfumed mist that is as enjoyable as marijuana or tobacco but as harmless as clean air? How would you like a pain-killer as effective as morphine but safer than aspirin, a mood enhancer that dissolves on your tongue and is more appealing than cocaine and less harmful than caffeine, a tranquilizer less addicting than Valium and more relaxing than a martini, or a safe sleeping pill that allows you to choose to dream or not? Perhaps you would like to munch on a user friendly hallucinogen that is as brief and benign as a good movie? This is not science fiction. As described in the following pages, there are such intoxicants available right now that are far safer than the ones we currently use. If smokers can switch from tobacco cigarettes to nicotine gum, why can’t crack users chew a cocaine gum that has already been tested on animals and found to be relatively safe? Even safer substances may be just around the corner. But we must begin by recognizing that there is a legitimate place in our society for intoxication. Then we must join together in building new, perfectly safe intoxicants for a world that will be ready to discard the old ones like the junk they really are. This book is your guide to that future. It is a field guide to that silent spring of intoxicants and all the animals and peoples who have sipped its waters. We can no more stop the flow than we can prevent ourselves from drinking. But, by cleaning up the waters we can leave the morass that has been the endless war on drugs and step onto the shores of a healthy tomorrow. Use this book to find the way.

It may seem paradoxical to claim that stress, a physiological mechanism vital to life, is a cause of illness. To resolve this apparent contradiction, we must differentiate between acute stress and chronic stress. Acute stress is the immediate, short-term body response to threat. Chronic stress is activation of the stress mechanisms over long periods of time when a person is exposed to stressors that cannot be escaped either because she does not recognize them or because she has no control over them. Discharges of nervous system, hormonal output and immune changes constitute the flight-or-fight reactions that help us survive immediate danger. These biological responses are adaptive in the emergencies for which nature designed them. But the same stress responses, triggered chronically and without resolution, produce harm and even permanent damage. Chronically high cortisol levels destroy tissue. Chronically elevated adrenalin levels raise the blood pressure and damage the heart. There is extensive documentation of the inhibiting effect of chronic stress on the immune system. In one study, the activity of immune cells called natural killer (NK) cells were compared in two groups: spousal caregivers of people with Alzheimer’s disease, and age- and health-matched controls. NK cells are front-line troops in the fight against infections and against cancer, having the capacity to attack invading micro-organisms and to destroy cells with malignant mutations. The NK cell functioning of the caregivers was significantly suppressed, even in those whose spouses had died as long as three years previously. The caregivers who reported lower levels of social support also showed the greatest depression in immune activity — just as the loneliest medical students had the most impaired immune systems under the stress of examinations. Another study of caregivers assessed the efficacy of immunization against influenza. In this study 80 per cent among the non-stressed control group developed immunity against the virus, but only 20 per cent of the Alzheimer caregivers were able to do so. The stress of unremitting caregiving inhibited the immune system and left people susceptible to influenza. Research has also shown stress-related delays in tissue repair. The wounds of Alzheimer caregivers took an average of nine days longer to heal than those of controls. Higher levels of stress cause higher cortisol output via the HPA axis, and cortisol inhibits the activity of the inflammatory cells involved in wound healing. Dental students had a wound deliberately inflicted on their hard palates while they were facing immunology exams and again during vacation. In all of them the wound healed more quickly in the summer. Under stress, their white blood cells produced less of a substance essential to healing. The oft-observed relationship between stress, impaired immunity and illness has given rise to the concept of “diseases of adaptation,” a phrase of Hans Selye’s. The flight-or-fight response, it is argued, was indispensable in an era when early human beings had to confront a natural world of predators and other dangers. In civilized society, however, the flight-fight reaction is triggered in situations where it is neither necessary nor helpful, since we no longer face the same mortal threats to existence. The body’s physiological stress mechanisms are often triggered inappropriately, leading to disease. There is another way to look at it. The flight-or-fight alarm reaction exists today for the same purpose evolution originally assigned to it: to enable us to survive. What has happened is that we have lost touch with the gut feelings designed to be our warning system. The body mounts a stress response, but the mind is unaware of the threat. We keep ourselves in physiologically stressful situations, with only a dim awareness of distress or no awareness at all.

By April 23, 2014, thirty-four cases and six deaths from Ebola in Liberia were recorded. By mid-June, 16 more people died. At the time it was thought to be malaria but when seven more people died the following month tests showed that was the Ebola virus. The primary reason for the spreading of the Ebola virus was the direct contact from one person to the next and the ingesting of bush meat. Soon doctors and nurses also became infected. On July 2, 2014, the head surgeon of Redemption Hospital was treated at the JFK Medical Center in Monrovia, where he died from the disease. His death was followed by four nurses at Phebe Hospital in Bong County. At about the same time two U.S. health care workers, Dr. Kent Brantly and a nurse were also infected with the disease. However, they were medically evacuated from Liberia to the United States for treatment where they made a full recovery. Another doctor from Uganda was not so lucky and died from the disease. Arik Air suspended all flights between Nigeria and Liberia and checkpoints were set up at all the ports and border crossings. In August of 2014, the impoverished slum area of West Point was cordoned off. Riots ensued as protesters turned violent. The looting of a clinic of its supplies, including blood-stained bed sheets and mattresses caused the military to shoot into the crowds. Still more patients became infected, causing a shortage of staff and logistics. By September there had been a total of 3,458 cases of which there were 1,830 deaths according to the World Health Organization. Hospitals and clinics could no longer handle this crisis and patients who were treated outside died before they could get help. There were cases where the bodies were just dumped into the Mesurado River. The Ivory Coast out of compassion, opened carefully restricted humanitarian routes and resumed the previously suspended flights to Liberia. Ellen Johnson Sirleaf the president of Libera sent a letter to President Barack Obama concerning the outbreak of Ebola that was on the verge of overrunning her country. The message was desperate, “I am being honest with you when I say that at this rate, we will never break the transmission chain and the virus will overwhelm us.” Having been a former finance minister and World Bank official, Johnson Sirleaf was not one for histrionics however she recognized the pandemic as extremely dangerous. The United States responded to her request and American troops came in and opened a new 60-bed clinic in the Sierra Leone town of Kenema, but by then the outbreak was described as being out of control. Still not understanding the dangerous contagious aspects of this epidemic at least eight Liberian soldiers died after contracting the disease from a single female camp follower. In spite of being a relatively poor country, Cuba is one of the most committed in deploying doctors to crisis zones. It sent more than 460 Cuban doctors and nurses to West Africa. In October Germany sent medical supplies and later that month a hundred additional U.S. troops arrived in Liberia, bringing the total to 565 to assist in the fight against the deadly disease. To understand the severity of the disease, a supply order was placed on October 15th for a 6 month supply of 80,000 body bags and 1 million protective suits. At that time it was reported that 223 health care workers had been infected with Ebola, and 103 of them had died in Liberia. Fear of the disease also slowed down the functioning of the Liberian government. President Sirleaf, had in an emergency announcement informed absent government ministers and civil service leaders to return to their duties. She fired 10 government officials, including deputy ministers in the central government who failed to return to work.

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I walked out onto the stage and I started telling the tale of the “Untold Story of the Origin of Zombies.” And it went like this: Where do Zombies come from? Not many people know. But after some extensive investigative Zombie journalism, we’ve discovered the truth. It all began when the human government decided that they wanted to create stronger soldiers. They had lost too many battles, and now they wanted to win every war that they fought. So they approached some soldiers in their army to join a special secret project. The only requirement was that the soldiers they chose had no living relatives. This way, no one could claim their bodies in case something went wrong. So, they exposed these soldiers to an experimental virus to enhance their abilities and make them into super soldiers. The experiment seemed to be working. But then, something terrible happened... The soldiers went crazy, and they were horribly disfigured. Ultimately, the experiment claimed their lives. But, when the soldiers were being prepared for burial, they suddenly came to life. They were not only walking, but they had enhanced strength, enhanced sense of smell and enhanced hearing. They attacked the soldiers in charge of burying them. And the recently bitten soldiers also transformed into the living dead. Before long, the entire army base was contaminated with the virus. Once everyone in the base was exposed, the virus mutated and the soldiers began having an overwhelming craving for something warm and mushy. They longed for brains! Soon, the army of the living dead found their way to the next unsuspecting town in search of brains. They attacked that town, biting anything that moved both human and animal. Soon that town was overrun. The virus spread from town to town, and city to city, until the entire world was contaminated. It was the first Zombie Apocalypse. After hundreds of years had passed, the Zombies started to evolve and began developing intelligent thoughts. They began forming villages, and then towns, and then entire cities of Zombies were created. The Zombies made great advances in health and science, and became highly advanced technologically. But, eventually the Zombies’ appetite for brains and warm flesh gave way to an even greater craving... The craving for CAKE! Their overwhelming desire for cake resulted in an explosive rise in the baking industry. Cake shops began springing up on every corner of every Zombie city street. They just couldn’t get enough! The human race began growing again, too. Human villages of farmers and miners began springing up. And because the Zombies were a peaceful race, they coexisted with the humans by staying away from them. But soon, the Zombie’s resources began to become scarce, especially the cake. So Zombies began scaring villagers in order to get the supplies they needed, especially the highly valued resource of cake. Now Zombies send their kids to Scare School to train their children from a very young age. They train them on how to effectively scare humans in order to get their needed supplies, especially cake. And so it has been until today. Thank you.

Such then is the nature of quasispecies : the density of the sequence cloud at any point in sequence space is determined by the relative fitness of the sequence; regions of the cloud representing sequences of lesser fitness will be less densely populated and those with higher fitness, most populated. Here lies the most powerful quality of viral quasispecies: the density distribution of fitness variants dictates that sequences are represented at frequencies in relation to their relative fitness. Genomes with lower fitness will replicate poorly, or not at all, and the fittest genomes will replicate most efficiently. It therefore follows that there is a large bias toward the production of well-adapted genotypes: there are more of them, and they undergo most replicative cycles. This can permit viruses to experience evolutionary adaptation at rates that are orders of magnitude higher than those that could be achieved by truly random unbiased mutation. Sequences rapidly condense around the fittest area of the sequence space. Should the environment change, and, therefore, selective pressures change, a quasispecies can opportunistically exploits its inherent adaptive potential. Genotypes rapidly and ever-faster gravitate toward the cloud's new notational center of gravity. Changes in the fitness landscape of the sequence space that is occupied by a quasispecies are the natural consequence of altered selective pressures operating on the virus population. Such alterations may be the consequence of changed immunologic pressures exerted by the host, the application of antiviral drug therapy, or even cross-species transmission requiring the virus to adapt to a new host. Genotypes that once occupied the 'central' space, reserved for the fittest genotypes, are reduced in frequency and now occupy the more sparsely populated fringes of the fitness landscape; the very edge of the sequence cloud if you will. Here too lies an advantage for a quasispecies: it has a memory. The once best-adapted genotypes, now at a fitness disadvantage, can persist in the quasispecies as minor sequence variants. Under circumstances of fluctuating selective pressures, the ability of the population to recall an 'old' genome variant is a great asset. The quasispecies can rapidly respond and adapt by plucking out a preexisting variant and quickly coalescing around it to recreate an optimal fitness landscape.

The researchers looked deeper into these observations, in hopes of gaining insight into the mechanisms underlying the high evolutionary rate and extraordinary immunologic plasticity of influenza HA. They probed in more detail the precise codons that are used by the virus to encode the influenza HA1 protein. The discriminated between codons on the basis of volatility. Each three-nucleotide codon is related by a single nucleotide change to nine 'mutational neighbours.' Of those nine mutations, some proportion change the codon to a synonymous codon and some change it to a nonsynonymous one, which directs the incorporation of a different amino acid into the protein. More volatile codons are those for which a larger proportion of those nine mutational neighbours encode an amino acid change. The use of particular codons in a gene at a frequency that is disproportionate to their random selection for encoding a chosen amino acid is termed codon bias. Such bias is common and is influenced by many factors, but here the collaborators found strong evidence for codon bias that was particular for and restricted to the amino acids making up the HA1 epitopes. Remarkably, they observed that influenza employs a disproportionate number of volatile codons in its epitope-coding sequences. There was a bias for the use of codons that had the fewest synonymous mutational neighbours. In other words, influenza HA1 appears to have optimized the speed with which it can change amino acids in its epitopes. Amino acid changes can arise from fewer mutational events. The antibody combining regions are optimized to use codons that have a greater likelihood to undergo nonsynonymous single nucleotide substitutions : they are optimized for rapid evolution.

There’s a curious correlation between these sunspot peaks and flu epidemics. In the twentieth century, six of the nine sunspot peaks occurred in tandem with massive flu outbreaks. In fact, the worst outbreaks of the century, killing millions in 1918 and 1919, followed a sunspot peak in 1917. This might just be coincidence, of course. Or it might not. Outbreaks and pandemics are thought to be caused by antigenic drift, when a mutation occurs in the DNA of a virus, or antigenic shift, when a virus acquires new genes from a related strain. When the antigenic drift or shift in a virus is significant enough, our bodies don’t recognize it and have no antibodies to fight it—and that spells trouble. It’s like a criminal on the run taking on a whole new identity so his pursuers can’t recognize him. What causes antigenic drift? Mutations, which can be caused by radiation. Which is what the sun spews forth in significantly greater than normal amounts every eleven years.

During COVID, one challenge with conventional contact tracing is that it’s not an especially efficient use of resources, because the virus is not transmitted at the same rate by everyone who’s infected. If you get the original COVID strain, the chances are not especially high that you’ll pass it along to someone else. (About 70 percent of those cases may not transmit to anyone else at all.) But if you do pass it along to someone else, you probably pass it along to many people. For reasons we don’t entirely understand, 80 percent of COVID infections with early variants came from just 10 percent of the cases. (These numbers could be different for the Omicron variant—as I write this, we don’t have enough data to know.) So with a virus like COVID, using the conventional approach means you’ll spend a lot of time finding people who wouldn’t have infected anyone else—epidemiologically speaking, you’ll find yourself in a lot of cul-de-sacs. What you really want to do is find the main thoroughfares, the relatively small number of people who are causing the most infections.

Droplets, being on the larger side, typically contain more virus than an aerosol, which makes them a better mechanism for transmission. On the other hand, because they’re relatively heavy, they don’t make it more than a few feet from your mouth or nose before falling to the ground. The surface that a droplet lands on becomes what’s called a fomite, and how long the fomite is able to transmit the virus depends on several factors, including the type of pathogen and whether you sneezed or coughed it out (in which case it’s more protected because it’s covered in your mucus). Studies show that even though the COVID virus may be able to survive for a few hours, or even days, it’s quite rare for people to get sick from touching a contaminated surface. In fact, even if someone does happen to touch a fomite, the chances that the person will get infected are less than 1 in 10,000.

This includes testing for Borrelia burgdorferi (the bacteria associated with Lyme disease) and many of the co-infections. I’ll discuss Lyme disease and the related co-infections in Chapter 10. Viruses

The word 'vaccination' comes from vacca, the Latin word for 'cow'. This is a poignant recapitulation of the history of vaccines. The first vaccine properly so called had, as its active ingredient, the cowpox virus, a close relative of smallpox that however was much less likely to cause severe, disfiguring or lethal disease. Edward Jenner observed that milkmaids, who were often exposed to cowpox, suffered a relatively mild disease, but would be immune to the much more serious smallpox. In an experiment that would unlikely pass muster in the modern world, he infected James Phipps, then an 8-year-old, with cowpox. He suffered a mild and transient illness, but when he was later exposed to scabs from a smallpox patient, he proved immune. Unlike the earlier practice of variolation, which has been practised in late Song dynasty China that sought to induce the cutaneous form of smallpox, variola minor, to protect against the more severe forms of smallpox (variola major), Jenner's vaccination used a less pathogenic virus. He relied on what would later be called 'antigenic similarity', but which was at the time hardly understood.

How do you account for the pathogenicity of this sleepy virus that has not a single pathogenic relative and in fact has 98,000 relatives quietly residing in the human germline?

What we need is a book of knowledge written so well as to constitute literature in its own right. Something for anyone interested in the state of the Earth and of us - a manual for living well and for survival. The quality of its writing must be such that it would serve for pleasure, for devotional reading, as a source of facts and even as a primary school text. It would range from simple things such as how to light a fire, to our place in the solar system and the universe. It would be a primer of philosophy and science - it would provide a top-down look at the Earth and us. It would explain the natural selection of all living things, and give the key facts of medicine, including the ciculation of the blood, the role of the organs. The discovery that bacteria and viruses caused infectious diseases is relatively recent; imagine the consequences if such knowledge was lost. In its time the Bible set the constraints for behaviour and for health. WE need a new book like the Bible that would serve in the same way but acknowledge science. It would explain properties like temperature, the meaning of their scales of measurement and how to measure them. It would list the periodic table of the elements. It would give an account of the air, the rocks, and the oceans. It would give schoolchildren of today a proper understanding of our civilization and of the planet it occupies. It would inform them at an age when their minds were most receptive and give them facts they would remember for a lifetime. It would also be the survival manual for our successors. A book that was readily available should disaster happen. It would help bring science back as part of our culture and be an inheritance. Whatever else may be wrong with science, it still provides the best explanation we have of the material world.

The other side of this coin is that viruses may be genes who have broken loose from ‘colonies’ such as ourselves. Viruses consist of pure DNA (or a related self-replicating molecule) surrounded by a protein jacket. They are all parasitic.

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Many natural infections have at least one benefit in that a bout of illness confers lifelong immunity against the causative pathogen. An ideal vaccine would also offer such lasting protection, preferably with a single dose, and perhaps even protect against related threats, such as all members of the ever evolving family of human flu viruses.

Excessive chemicals eventually inhibit your immune system (the defence against infections and illnesses) making you vulnerable to viruses of every shape and size. They will lower the production of serotonin (making you feel listless and joyless as in depression) and can eventually, if they remain virulent, cause heart disease, hardening of the arteries, type 2 diabetes and certain cancers. Inadvertently stress will destroy you both mentally and physically unless you change the way you think about it and relate to it. With

DENGUE FEVER (BREAKBONE FEVER) Dengue fever is a viral infection found throughout Central America. In Costa Rica outbreaks involving thousands of people occur every year. Dengue is transmitted by aedes mosquitoes, which often bite during the daytime and are usually found close to human habitations, often indoors. They breed primarily in artificial water containers such as jars, barrels, cans, plastic containers and discarded tires. Dengue is especially common in densely populated, urban environments. Dengue usually causes flulike symptoms including fever, muscle aches, joint pains, headaches, nausea and vomiting, often followed by a rash. Most cases resolve uneventfully in a few days. Severe cases usually occur in children under the age of 15 who are experiencing their second dengue infection. There is no treatment for dengue fever except taking analgesics such as acetaminophen/paracetamol (Tylenol) and drinking plenty of fluids. Severe cases may require hospitalization for intravenous fluids and supportive care. There is no vaccine. The key to prevention is taking insect-protection measures. HEPATITIS A Hepatitis A is the second-most-common travel-related infection (after traveler’s diarrhea). It’s a viral infection of the liver that is usually acquired by ingestion of contaminated water, food or ice, though it may also be acquired by direct contact with infected persons. Symptoms may include fever, malaise, jaundice, nausea, vomiting and abdominal pain. Most cases resolve without complications, though hepatitis A occasionally causes severe liver damage. There is no treatment. The vaccine for hepatitis A is extremely safe and highly effective. You should get vaccinated before you go to Costa Rica. Because the safety of hepatitis A vaccine has not been established for pregnant women or children under the age of two, they should instead be given a gammaglobulin injection. LEISHMANIASIS Leishmaniasis occurs in the mountains and jungles of all Central American countries. The infection is transmitted by sand flies, which are about one-third the size of mosquitoes. Most cases occur in newly cleared forest or areas of secondary growth. The highest incidence is in Puerto Viejo de Talamanca. It causes slow-growing ulcers over exposed parts of the body There is no vaccine. RABIES Rabies is a viral infection of the brain and spinal cord that is almost always fatal. The rabies virus is carried in the saliva of infected animals and is typically transmitted through an animal bite, though contamination of any break in the skin with infected saliva may result in rabies. Rabies occurs in all Central American countries. However, in Costa Rica only two cases have been reported over the last 30 years. TYPHOID Typhoid fever is caused by ingestion of food or water contaminated by a species of salmonella known as Salmonella typhi . Fever occurs in virtually all cases. Other symptoms may include headache, malaise, muscle aches, dizziness, loss of appetite, nausea and abdominal pain. A pretrip vaccination for typoid is recommended, but not required. It’s usually given orally, and is also available as an injection. TRAVELER’S DIARRHEA Tap water is safe and of a high quality in Costa Rica, but when you’re far off the beaten path it’s best to avoid tap water unless it has been boiled, filtered or chemically disinfected (iodine tablets). To prevent diarrhea, be wary of dairy products that might contain unpasteurized milk; and be highly selective when eating food from street vendors.

Research also shows that sugar itself can impair the function of immunity-related phagocytes (immune system cells that remove bacteria or viruses from the bloodstream) for at least five hours after ingestion.

publics dans notre article du 20 Juillet qui n'a été publiéque le 25 ; ils se sont décidés cette fois à s'exécuter de bonne ou mauvaise grâce, ils l'ont fait dans l'intérêt de l'infaillibilité de la vaccination. Je ne pondrai ré- pas à ce qu'ily a d'impertinent dans l'articledu Dr. Larocque ; je vais relater les faits de l'enfant Leblanc,et chacun jugerade la valeur du raisonnement des vaccinateurs pubiloset de leurs amis.Mr. le Dr, A.B. Larocqueveut à tout prixsauver la vaccination en disant que les accusations portéescontre ce* te pratiquesont ,non seulement exagéréesmais ,encore faussesc'est ,là du moins le sens de son écrit. Il voudrait aussi sans doute que les mauvais effetsde la (jénisse municipale sur l'enfani de Mde.Vve. Leblanc soient dûs à une autre cause qu'à celle du virus animal. " Ce cas, dit-ilest ,Jugé d'une manière officielle par une commission de médecins. " Il est bien vrai que le Dr. Larocqueétait accompagné par pludes sieurs vaccinateurs publics; mais,quiavait autorité de quer convoune assemblée de médecins pour faire une investigation sur les faits qui se rapportent au cas de l'enfant de Mme. Leblanc ? Peret sonne, le Dr. Larocquesait parfaitementque si nous nous sommes ïcucontrés chez le Dr.Roy, ce n'était pas à la demande du Bureau de Santé : au contrairec'est , moi quiai proposédans la ruelle Rolaux land Drs.Ricard,Larocque,Desrosiers

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A year on, in 2021, 43 international scientists would sign four letters calling for an investigation into a possible laboratory leak. The first group of 25 scientists went public with their letter on March 4, 2021 in response to the WHO’s flawed inquiry, which failed to investigate the Wuhan laboratories. The scientists published a series of letters outlining the steps the WHO needed to take for a rigorous scientific inquiry into the origins of the virus. One of the essential questions they identified that needs examining is this: “Did the WIV or any other laboratory ever attempt to recreate RaTG13 or any other coronaviruses by assembling them from synthetic gene sequences?” They want to obtain the records of laboratories involved in coronavirus research in Wuhan, such as laboratory notebooks, electronic records and details of gain-of-function research, including related sequences and isolates.

He says the virus was highly adapted for infection of humans from the start, unlike earlier natural zoonoses, and that its infectious trigger – the furin cleavage site – isn’t found anywhere in related betacoronaviruses in its class, and thus he argues couldn’t have come from a natural recombination, but has been repeatedly included in viruses by laboratory scientists including at the Wuhan Institute of Virology. “Since 1992, laboratories have been putting furin cleavage sites into viruses that didn’t have them – 11 different laboratories, 11 different experiments, including previous Wuhan Institute of Virology experiments, and every single time it makes it more virulent, more transmissible and more lethal,” he says. The end result, Dr Quay says, has always been supercharged viruses.

Chinese authorities started systematically removing any mention of the virus online. This began on December 31, when technology services in China censored key words linked to the pandemic. The live-streaming platform YY censored words including “unknown Wuhan pneumonia” and “Wuhan Seafood Market”. WeChat censored phrases related to the pandemic, banned both speculative and factual information related to the outbreak, and removed even “neutral references to Chinese government efforts to handle the outbreak that had been reported on state media”, according to the Citizen Lab’s March 2020 report. The CCP censorship alarmed doctors and Chinese health authorities, who knew the precise opposite approach should be taken in order to save lives. This crucial point clearly shows China’s deliberate, intentional and clear-eyed decision to cover up the virus; to stop their own people and those internationally from finding out about it.

Early on, Pottinger also raised concerns about potential shortages of medical supplies like masks. But not everyone was similarly convinced of the dangers. As the pandemic later took its grip on the nation, he was one of the rare White House officials who routinely wore a mask to work, despite persistent scorn by colleagues, who labeled him an alarmist. Pottinger had two older relatives living with him at home and was so worried about the lax precautions being observed inside the White House that he had his office moved from the West Wing to the Eisenhower Executive Office Building, an historic and ornate office building located next to the White House that housed many of the staff who supported the president. It was Pottinger’s own act of social distancing. He was worried that he would catch the virus in the White House and bring it home with him.

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Although, yes, countries that have dealt with the public health threat well have been rewarded with better economic performance relative to others, all have seen downturns relative to what might have been expected before the pandemic. And in countries with large outbreaks of the virus, the GDP cost of getting the pandemic under control can be huge in the short term.

One of the reasons why a lot of the statistical claims about COVID-19 are controversial is that endogeneity problems abound. Early on in the pandemic, it was worryingly common, for example, to hear people take the numbers of deaths within some age brackets from COVID-19, divide that by the total population of the group, and then use the low number to conclude that people in that group are less likely to die from COVID-19 than from being struck by lightning, being a victim of a shark attack, or something else that seems a relatively tiny risk. The implicit mental model here is that becoming infected with COVID-19 is a matter of random chance and therefore the death rates observed so far represent an accurate representation of the risk of getting and dying from the disease. But this is obviously not true. Your chance of getting infected and dying of COVID-19 is influenced by both your behavior and policy. That there have been relatively higher infections and deaths in prisons or meatpacking plants does not necessarily tell us that prisoners or meatpacking workers have personal characteristics that make them more susceptible to the worst outcomes from the disease. It might simply be that they spend much time in a place that puts them more at risk of infection.

RNA viruses mutate relatively quickly, and many, like influenza, are able to undergo a process known as antigenic drift, by which the virus is able to alter the surface antigens that are the targets of our antibodies—thus evading our existing immunity. Some viruses, like measles, cannot change their genomic sequence in ways that substantially alter enough of their surface proteins, so measles remains susceptible to our vaccines or the immunity that we get from prior infection. However, for viruses like influenza, as their surface proteins undergo change, the virus is able to dodge the protective antibodies that we’ve developed from past infection or vaccination

Most people, including their physicians, simply accept that diarrhea, constipation, gastritis, bloating, abdominal discomfort/pain, inflammatory bowel syndromes, or almost any other gastrointestinal condition is largely inevitable and typically occurring for seemingly no clear-cut reason, or just the inevitable consequence of growing older. The standard therapeutic goal aims to lessen the gut-related symptoms as best as possible with a variety of prescription and over-the-counter agents. Similarly, there is virtually no awareness that CPC sets the stage for the inflammation causing and sustaining some gastrointestinal cancers, even though chronic inflammation in the gut is recognized as an important factor in the development of cancers there.

In art we can compress the present and the past into a time capsule - pass it forward into the future. It can be done via images but words do more. There is a level to them. There is an imprint within them. We alter compositionally in relation that interaction. The virus of words is not outside us - it is wholly within us.

the COVID virus was related to the common cold and the yearly flu, which always mutated, hence the different formulas for the yearly flu vaccines.

Humans have always lived surrounded by potential pathogens. Whether they co-exist relatively harmlessly or become a problem, cause acute or chronic disease and spread slowly or in epidemics has been, and still is, influenced by how we have impacted the environments we share with other animals. Pathogens are opportunists within these environments, capable and ready to take advantage of anything that promotes their transmission.

Society can be thought of as a collection of overlapping nodal networks (things like companies and cultivars), with each node representing a person and their connections to other people. Historically, pop cultures, simple memetic viruses, evolved to target single nodes. These cultures would flip target nodes (convert them) by offering individuals an easy life and positive emotional subsets. While these viruses lowered the birth rates among the individual nodes they flipped and could sometimes lead to wild outbreaks, those outbreaks were always contained within single or closely-related nodal networks, meaning they were never really an existential threat to our species. . . .The supervirus evolved a new strategy. Instead of flipping individual nodes, it works to flip entire nodal networks. Instead of selling the promise of minimizing emotional suffering within a single node, it entices nodal systems with the prospect of minimizing negative emotion across the entire network. 

Ocean viruses are stunning not just for their sheer numbers but also for their genetic diversity. The genes in a human and the genes in a shark are quite similar — so similar that scientists can find a related counterpart in the shark genome to most genes in the human genome. The genetic makeup of marine viruses, on the other hand, matches almost nothing. In a survey of viruses in the Arctic Ocean, the Gulf of Mexico, Bermuda, and the northern Pacific, scientists identified 1.8 million viral genes. Only 10 percent of them showed any match to any gene from any microbe, animal, plant, or other organism — even from any other known virus. The other 90 percent were entirely new to science. In 200 liters of seawater, scientists typically find 5,000 genetically distinct kinds of viruses. In a kilogram of marine sediment, there may be a million kinds.

Rhinoviruses infect relatively few cells, causing little real harm. So why can they cause such miserable experiences? We have only ourselves to blame. Infected cells release signaling molecules, called cytokines, which attract nearby immune cells. Those immune cells then make us feel awful. They create inflammation that triggers a scratchy feeling in the throat and leads to the production of a lot of mucus around the site of the infection. In order to recover from a cold, we have to wait not only for the immune system to wipe out the virus, but also for the immune system itself to calm down.

We today know that only too well: someone may carry, and transmit, the Covid-19 virus without knowing they have it. So the natural inclination of a Jesus-follower, to obey Jesus’ call to go and help at the place of danger, even at the risk of one’s own life, looks rather different when that apparently heroic action might easily make matters worse. The generous one-dimensional desire to be a hero, to ‘do the right thing’, needs to be rounded out with the equally generous willingness to restrain apparent heroism when it might itself bring disaster. Yet this cannot become an excuse for doing nothing. Out of lament must come fresh action. At the very least, clergy (properly trained, authorized and protectively clothed) must be allowed to attend the sick and dying. If, as sometimes seems to be the case, secular doctors suppose that such ministry is superfluous, this must be challenged at every level. As we thank God that in the last two or three centuries the long-term calling of the Church to bring healing and hope has been shared in the wider secular world, we must work with the medical profession, not least to ensure a fully rounded, fully human approach. This applies particularly when people are near the point of death; the hospice movement of the last fifty years has been largely a Christian innovation, privately funded, witnessing to a hope that secular medicine has sometimes ignored. The call to Jesus’ followers, then, as they confront their own doubts and those of the world through tears and from behind locked doors, is to be sign-producers for God’s kingdom. We are to set up signposts–actions, symbols, not just words–which speak, like Jesus’ signs, of new creation: of healing for the sick, of food for the hungry, and so on. This means things like running food banks, working in homeless shelters, volunteering to help those visiting relatives in prisons, and so on. These can be rewarding tasks but they, and all similar things, are also demanding. For them we will need, as Mary, Thomas and the disciples in the upper room needed, the living presence of Jesus, and the powerful breath of his Spirit. That is what we are promised.

Ian Lipkin and his colleagues at Columbia University trapped 133 rats in New York City and discovered 18 new species of viruses that are closely related to human pathogens.

We can quarantine People But We can not quarantine Love

Charlie Calisher and his coauthors, besides touching on broad principles, discussed a handful of bat-related viruses in detail: Nipah, Hendra, rabies and its close relatives (the lyssaviruses), SARS-CoV, and a couple of others.

Ebola is distantly related to measles, mumps, and rabies. It is also related to certain pneumonia viruses: to the parainfluenza virus, which causes colds in children, and to the respiratory syncytial virus, which can cause fatal pneumonia in a person who has AIDS.

Consciousness is there in animal life. Beyond animal instincts, humans also have inherent recognition of good and evil in their conscience. Belief in deterministic justice and rewards in afterlife fulfils our aspiration to have true and fair reward for every small act of goodness and evil in afterlife. Every moment of a nurse and that of a cured or dead patient is not meaningless if one believes and prepare for afterlife by achieving excellence in morals. Imam Ghazali wrote that wealth is useful till we die, relatives till we are put in grave and only good deeds will be the currency on judgement day. If we have good deeds to take in next life, then we can have everlasting happiness that is not infected and affected by any Corona Virus.

Preface to the Paperback Edition The coronavirus, a severe acute respiratory syndrome, has unleashed a pandemic since the original publication of Epidemics and Society. Coronavirus disease (COVID-19) is still too new and too poorly understood to allow us to assess its ultimate impact, but its broad contours have become sufficiently clear, and several of its features relate closely to the themes of this book. Like all pandemics, COVID-19 is not an accidental or random event. Epidemics afflict societies through the specific vulnerabilities people have created by their relationships with the environment, other species, and each other. Microbes that ignite pandemics are those whose evolution has adapted them to fill the ecological niches that we have prepared. COVID-19 flared up and spread because it is suited to the society we have made. A world with nearly eight billion people, the majority of whom live in densely crowded cities and all linked by rapid air travel, creates innumerable opportunities for pulmonary viruses. At the same time, demographic increase and frenetic urbanization lead to the invasion and destruction of animal habitat, altering the relationship of humans to the animal world. Particularly relevant is the multiplication of contacts with bats, which are a natural reservoir of innumerable viruses capable of crossing the species barrier and spilling over to humans.

When a range of deadly pathogens, including HIV and West Nile virus, were introduced, antibodies in alligator blood destroyed them. Being a close relative, gharial probably had a similarly tough constitution.

He sat down at the lab screen and thought a moment. “Put up a wide scan of the Lilith organism,” he told the computer. The screen in front of him lit up and showed a strange enlargement. Its closest relative was a virus, yet it was infinitely smaller, an alien abstract design of tiny lines and pits actually able to combine on an atomic level with actual molecules—molecules! It wasn’t a real creature but a few extra chemical ingredients on the end of a molecular formula, extras that somehow didn’t really change what the molecule was but nonetheless controlled it.

Ebola is a rather simple virus—as simple as a firestorm. It kills humans with swift efficiency and with a devastating range of effects. Ebola is distantly related to measles, mumps, and rabies. It is also related to certain pneumonia viruses: to the parainfluenza virus, which causes colds in children, and to the respiratory syncytial virus, which can cause fatal pneumonia in a person who has AIDS. In its own evolution through unknown hosts and hidden pathways in the rain forest, Ebola seems to have developed the worst elements of all the above viruses. Like measles, it triggers a rash all over the body. Some of its effects resemble rabies—psychosis, madness. Other of its effects look eerily like a bad cold.

In Germany, the effects of Marburg virus on the brain were particularly frightening, and resembled the effects of rabies: the virus somehow damaged the central nervous system and could destroy the brain, as does rabies. The Marburg particles also looked rather like rabies particles. The rabies-virus particle is shaped like a bullet. If you stretch out a bullet, it begins to look like a length of rope, and if you coil the rope into a loop, it becomes a ring, like Marburg. Thinking that Marburg might be related to rabies, they called it stretched rabies. Later it became clear that Marburg belongs to its own family.

UBC留学被退学购买UBC毕业证咨询【Q微2026614433】办理温哥华假学历UBC毕业证、办加拿大假学位英属哥伦比亚大学毕业证成绩单认证书学历证明、办理温哥华高仿学历UBC文凭UBC学历UBC文凭证书UBC毕业证书。 SJKHSJSJKSHSKJSKKJSKSKKSKJSJSkj The answer is “Yes.” The EPA, FDA, and CDC all agree that air purifiers can capture Covid-19 and potentially reduce the risk of indoor virus transmission. As with anything pandemic-related, though, the devil is in the details. To effectively combat Covid-19 with an air purifier, it’s essential to choose the right type of purifier, install and use it properly, and understand its limitations. Sometimes you may need to buy a $500 FDA-cleared purifier to effectively protect a room. Other times you’re better off opening a window. …

The 1918 epidemic came in two waves, a mild flu in the spring of 1918 followed by the killer flu in the fall. And it seemed that the two flu strains were closely related. Infection with the first strain protected against the second

Ian Lipkin and his colleagues at Columbia University trapped 133 rats in New York City and discovered 18 new species of viruses that are closely related to human pathogens. In another study in Bangladesh, they examined a bat called the Indian flying fox and tried to identify every single virus that calls it home. They identified 55 species, 50 of which are new to science.

Cows can get infected with cowpox, a close relative of smallpox, and so Jenner wondered if it provided some protection. He took pus from the hand of a milkmaid named Sarah Nelmes and inoculated it into the arm of a boy. The boy developed a few small pustules, but otherwise he suffered no symptoms. Six weeks later, Jenner variolated the boy—in other words, he exposed the boy to smallpox, rather than cowpox. The boy developed no pustules at all. Jenner introduced the world to this new, safer way to prevent smallpox in a pamphlet he published in 1798. He dubbed it “vaccination,” after the Latin name of cowpox, Variolae vaccinae.

I PALE HORSE 1 THE VIRUS NOW known as Hendra wasn’t the first of the scary new bugs. It wasn’t the worst. Compared to some others, it seems relatively minor. Its mortal impact, in numerical terms, was small at the start and has remained small; its geographical scope was narrowly local and later episodes haven’t carried it much more widely. It made its debut near Brisbane, Australia, in 1994. Initially there were two cases, only one of them fatal. No, wait, correction: There were two human cases, one human fatality. Other victims suffered and died too, more than a dozen—equine victims—and their story is part of this story. The subject of animal disease and the subject of human disease are, as we’ll see, strands of one braided cord. The original emergence of Hendra virus didn’t seem very dire or newsworthy unless you happened to live in eastern Australia. It couldn’t match an earthquake, a war, a schoolboy gun massacre, a tsunami. But it was peculiar. It was spooky. Slightly better known now, at least among disease scientists and Australians, and therefore slightly less spooky, Hendra virus still seems peculiar. It’s a paradoxical thing: marginal, sporadic, but in some larger sense representative. For exactly that reason, it marks a good point from which to begin toward understanding the emergence of certain virulent new realities on this planet—realities that include the death of more than 30 million people since 1981. Those realities involve a phenomenon called zoonosis. A zoonosis is an animal infection transmissible to humans. There are more such diseases than you might expect. AIDS is one. Influenza is a whole category of others. Pondering them as a group tends to reaffirm the old Darwinian truth (the darkest of his truths, well known and persistently forgotten) that humanity is a kind of animal, inextricably connected with other animals: in origin and in descent, in sickness and in health. Pondering them individually—for starters, this relatively obscure case from Australia—provides a salubrious reminder that everything, including pestilence, comes from somewhere.

Report published : #Globalization of #disease has led the world to be only as resilient as the least resilient country and person , especially for highly contagious COVID-19 which has spread with scale and severity not seen since #Spanishflu . The variants of the virus (such as B.1.617.2 Delta , #DeltaPlus, Epsilon, #Gamma ) continue to threaten even those vaccinated. Secondary diseases such as black fungus are targeting #COVID patients and killing almost one in two persons in such cases. Human life is more precious and important than all economic principles or systems in totality because all these concepts are legitimate only because of their utility value which is to fundamentally make human life better. At least until this ongoing crisis ends, all economic policies (related to money, banking, fixing prices of commodities, etc.) need to be revised to make sure no human being suffers from hunger or the absence of required medical care. For this purpose KAILASA has presented a detailed report on effective solution for

As the new century began, AIDS researchers pondered this roster of different viral lineages: seven groups of HIV-2 and three groups of HIV-1. The seven groups of HIV-2, distinct as they were from one another, all resembled SIVsm, the virus endemic in sooty mangabeys. (So did the later addition, group H.) The three kinds of HIV-1 all resembled SIVcpz, from chimps. (The eventual fourth kind, group P, is most closely related to SIV from gorillas.) Now here’s the part that, as it percolates into your brain, should cause a shudder: Scientists think that each of those twelve groups (eight of HIV-2, four of HIV-1) reflects an independent instance of cross-species transmission. Twelve spillovers. In other words, HIV hasn’t happened to humanity just once. It has happened at least a dozen times—a dozen that we know of, and probably many more times in earlier history. Therefore it wasn’t a highly improbable event. It wasn’t a singular piece of vastly unlikely bad luck, striking humankind with devastating results—like a comet come knuckleballing across the infinitude of space to smack planet Earth and extinguish the dinosaurs. No. The arrival of HIV in human bloodstreams was, on the contrary, part of a small trend. Due to the nature of our interactions with African primates, it seems to occur pretty often.

Today take time to think about all the countries and people who are affected by Corona Virus or Covid 19. Some of those people are our family, friends, partners , neighbors, relatives, colleagues and children. Lets show them love and support and be there for them. Every Human has a right to live. Happy Human rights day.

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The only reason for a newborn to be infected with the hep B virus is that the mother who is infected can pass this virus to her child during the birthing process. Therefore, any vaccine injuries or related deaths for infants caused by the hep B vaccine for other than an infected mother are unnecessary.

BONUS BENEFITS OF TURMERIC: Powerful antibacterial, antifungal, and antiviral (even helps inhibit the reproduction of the HIV virus); antiaging (reduces oxidative stress and down-regulates age-related genes); reduces chronic pain; antioxidant; anti-inflammatory; effective in preventing liver and kidney toxicity; potential treatment for skin disorders (rosacea and psoriasis), HIV, septic shock, cardiovascular disease, lung fibrosis, arthritis, and inflammatory bowel disease; anti-atherosclerotic. And that’s just what we’ve discovered so far! In-vitro and animal studies suggest that turmeric may offer anticancer benefits as well.