Emerging viral infections—from bird flu to Ebola to Zika infections—pose major threats to global public health, and understanding their origins can help investigators design defensive strategies against future outbreaks. ...
Jan 22, 2020
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A study led by Michael Worobey at the University of Arizona in Tucson provides the most conclusive answers yet to two of the world's foremost biomedical mysteries of the past century: the origin of the 1918 pandemic flu virus ...
Apr 28, 2014
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People have a lot of questions about viruses right now. Some of those questions involve what happens to viruses in the remains of humans or animals. For example, could people get sick from digging up decades-old bodies? Or ...
May 21, 2020
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Two cases of bird flu in Cambodia, in a girl and her father, were not spread from one to the other.
Mar 3, 2023
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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 ...
Jan 19, 2012
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The virus causing record cases of avian influenza in birds across the world is changing rapidly, experts have warned, as calls increase for countries to vaccinate their poultry.
Jun 3, 2023
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China has been the origin of several major viral epidemics over recent decades, with the current outbreak of a new deadly coronavirus emerging in the central city of Wuhan.
Jan 22, 2020
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(Medical Xpress) -- A CDC study led by microbiologist Terrence Tumpey has found that the H3N2 virus that infected several people in the United States last year, may have more pandemic potential than has been thought. The ...
(Medical Xpress) -- In a commentary on the biosecurity controversy surrounding publication of bird flu research details, a bioethicist and a vaccine expert at Johns Hopkins reaffirm that "all scientists have an affirmative ...
Feb 9, 2012
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It's not bird flu or SARS, and nor does it appear to be contagious, but little more is known about a mysterious disease that has killed dozens of Cambodian children, some within 24 hours of being hospitalised.
Jul 8, 2012
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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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