Bird flu detected in alpacas in US for the first time
Cases of bird flu have been detected in alpacas at a US farm, authorities said Tuesday, as the disease spreads widely among dairy cattle and has infected two humans.
Cases of bird flu have been detected in alpacas at a US farm, authorities said Tuesday, as the disease spreads widely among dairy cattle and has infected two humans.
Agriculture
May 29, 2024
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Health authorities are working to gather information on the spread of the H5N1 virus, or bird flu, in U.S. dairy cows—the first confirmation of the virus in cattle.
Ecology
May 27, 2024
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The bird flu outbreak in U.S. dairy cows is prompting development of new, next-generation mRNA vaccines—akin to COVID-19 shots—that are being tested in both animals and people.
Agriculture
May 31, 2024
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Bird flu has infected a Benton County dairy herd, marking the first confirmed detection of the virus in cows in Minnesota.
Veterinary medicine
Jun 7, 2024
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In early February, dairy farmers in the Texas Panhandle began to notice sick cattle. The buzz soon reached Darren Turley, executive director of the Texas Association of Dairymen: "They said there is something moving from ...
Agriculture
May 30, 2024
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A dangerous strain of avian influenza (bird flu) is now wreaking havoc on every continent except Australia and the rest of Oceania. While we remain free from this strain for now, it's only a matter of time before it arrives.
Ecology
May 22, 2024
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When researchers talk about their biggest bird flu fears, one that typically comes up involves an animal—like a pig—becoming simultaneously infected with an avian and a human flu. This creature, now a viral mixing vessel, ...
Veterinary medicine
Jun 3, 2024
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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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