Bird flu viruses are potentially highly lethal and pose a global threat, but relatively little is known about why certain strains spread more easily to humans than others. Two studies published today in the journal Cell identi ...
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The author of an upcoming Nature paper about H5N1 argues in a Nature Comment article today that research into deadly pathogenic viruses must continue if pandemics are to be prevented. Yoshihiro Kawaoka suggests, after reviewi ...
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(HealthDay) -- The U.S. government is giving the go-ahead for publication of two controversial studies into the H5N1 avian (bird) flu virus, a top federal health official announced Friday.
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(Medical Xpress)—An international team of bio-researchers has found that a mutant strain of the H5N1 influenza virus (created in a lab) has a 200-fold preference for binding with receptors in human cells, ...
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Virologists making mutated versions of the H5N1 bird flu halted their research in January after a U.S. government advisory panel suggested that their work, though well-intentioned, had the potential to endanger the public.
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Live poultry markets can act as hotbeds for H5N1 bird flu, but simple measures such as disinfecting trucks, equipment and market space could help stop the virus from spreading, researchers said Monday.
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University of British Columbia researchers have found a potential way to develop universal flu vaccines and eliminate the need for seasonal flu vaccinations.
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(AP) -- Vietnam on Thursday confirmed its first human death from bird flu in nearly two years, a day after neighboring Cambodia also logged its first fatality this year as new cases of the H5N1 virus are reported in Asia ...
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Scientists have engineered a new strain of H5N1 (commonly known as bird flu) to be readily transmitted between humans. Two perspectives being published early online in Annals of Internal Medicine, the flagship journal of the ...
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The H5N1 virus has killed roughly 60 percent of humans infected, a mortality rate which is orders of magnitude higher than that of seasonal influenza virus. Many victims of the former fall heir to acute respiratory distress ...
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How can scientists safely conduct avian flu research if the results could potentially threaten, as well as save, millions of lives? In a series of commentaries appearing on Tuesday, October 9 in mBio, the online open-access journa ...
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(Medical Xpress)—Scientists have described small genetic changes that enable the H5N1 bird flu virus to replicate more easily in the noses of mammals.
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In response to recent actions of the U.S. National Science Advisory Board for Biosecurity (NSABB), which recommended that two scientific journals withhold crucial details in upcoming reports about experiments with a novel ...
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A man in southwestern China has died of bird flu, health authorities said Saturday, becoming the second fatality from the H5N1 virus this year.
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(AP) -- Vietnam has recorded its first human bird flu death in nearly two years, and although the victim worked at a duck farm the H5N1 virus has yet to be found in poultry there, officials said Thursday.
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Influenza A virus subtype H5N1, also known as "bird flu," A(H5N1) or simply H5N1, is a subtype of the Influenza A virus which can cause illness in humans and many other animal species. A bird-adapted strain of H5N1, called HPAI A(H5N1) for "highly pathogenic avian influenza virus of type A of subtype H5N1", is the causative agent of H5N1 flu, commonly known as "avian influenza" or "bird flu". It is enzootic in many bird populations, especially in Southeast Asia. One strain of HPAI A(H5N1) is spreading globally after first appearing in Asia. It is epizootic (an epidemic in nonhumans) and panzootic (affecting animals of many species, especially over a wide area), killing tens of millions of birds and spurring the culling of hundreds of millions of others to stem its spread. Most references to "bird flu" and H5N1 in the popular media refer to this strain.
According to the FAO Avian Influenza Disease Emergency Situation Update, H5N1 pathogenicity is continuing to gradually rise in endemic areas but the avian influenza disease situation in farmed birds is being held in check by vaccination. Eleven outbreaks of H5N1 were reported worldwide in June 2008 in five countries (China, Egypt, Indonesia, Pakistan and Vietnam) compared to 65 outbreaks in June 2006 and 55 in June 2007. The "global HPAI situation can be said to have improved markedly in the first half of 2008 [but] cases of HPAI are still underestimated and underreported in many countries because of limitations in country disease surveillance systems".
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