Two poultry workers in the U.K. have tested positive for bird flu, but they had no symptoms and there's no evidence of transmission between people, the Health Security Agency said Tuesday.
May 16, 2023
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Avian flu cases have spiked around the globe in recent weeks, devastating bird populations and making headlines. The spread of the illness, caused by the H5N1 virus, has resulted in 58 million bird deaths since last fall—driving ...
Apr 27, 2023
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A man in Chile is infected with a bird flu that has concerning mutations, but the threat to people from the virus remains low, U.S. health officials said Friday.
Apr 14, 2023
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A woman has died from H3N8 bird flu in China, the World Health Organization reported Tuesday—the first known human fatality from the avian influenza strain.
Apr 11, 2023
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The next pandemic that cascades through the human population could be caused by a new influenza virus strain concocted in animals, against which humans will have little to no immunity. That's the conclusion of Australian ...
Mar 13, 2023
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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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Now two years in, the global avian flu outbreak has devastated wild and domestic bird populations, leapt into various species of mammals, and cost governments and farmers billions as consumers feel the pain in their grocery ...
Feb 24, 2023
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The World Health Organization expressed concern about bird flu on Friday after the father of a 11-year-old Cambodian girl who died from the disease also tested positive, raising fears of human-to-human transmission.
Feb 24, 2023
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A top World Health Organization official, reacting to the death of an 11-year-old girl in Cambodia infected by bird flu, said Friday the recent global spread of the virus and human infections are "worrying."
Feb 24, 2023
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The father of an 11-year-old Cambodian girl who died this week from bird flu has tested positive for the virus, health officials said on Friday.
Feb 24, 2023
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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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