A bird flu outbreak in the U.S. that led to the deaths of more than 40 million chickens and turkeys and contributed to a spike in egg and meat prices appears to be waning, but experts caution the virus hasn't disappeared ...
Veterinary medicine
Jun 17, 2022
0
3
Arizona officials have confirmed the first cases in the Southwest of a bird flu that has led to the deaths of 37 million birds from commercial farms in the central and eastern U.S.
Ecology
Jun 10, 2022
0
16
When it comes to avian influenza, more commonly known as bird flu, all birds are not created equal.
Ecology
May 19, 2022
0
84
An avian flu that's spreading quickly across the U.S. has been detected in the Pacific Northwest in two backyard bird flocks in rural Oregon and Washington.
Veterinary medicine
May 07, 2022
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64
Bird flu is killing an alarming number of bald eagles and other wild birds, with many sick birds arriving at rehabilitation centers unsteady on their talons and unable to fly.
Ecology
May 05, 2022
4
83
A Colorado prison inmate has become the first person in the U.S. to test positive for bird flu in a recent outbreak that has led to the deaths of millions of chickens and turkeys, but federal officials say they still see ...
Veterinary medicine
Apr 29, 2022
0
17
Two cases of bird flu have been confirmed in U.S. zoos, but officials said they won't order widespread euthanasia of zoo birds the way they have on farms.
Veterinary medicine
Apr 14, 2022
0
12
Bird flu has infected two more farms in Iowa, forcing the killing of 5.3 million hens and 88,000 turkeys, officials said Friday.
Veterinary medicine
Apr 02, 2022
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29
A report by the World Wildlife Fund shows illegal purchases of wildlife online are growing in Myanmar in a threat both to public health and to endangered species.
Ecology
Mar 31, 2022
0
11
Iowa agriculture officials announced two more bird flu outbreaks in commercial flocks on Tuesday that will require the killing of more than 1.5 million hens and turkeys.
Veterinary medicine
Mar 29, 2022
0
54
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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