Blood testing of large-animal veterinarians suggests that H5N1 bird flu has spread more widely than US surveillance of the virus is capturing, according to a new study by federal and state disease ...

With the H5N1 bird flu virus likely here to stay, some poultry producers, disease experts and government officials are questioning the practice of widespread culling in response to outbreaks.

The highly pathogenic H5N1 virus was devastating a flock of chickens on a highly secure farm, home of a breeding program that produced hybrid birds with specially colored feathers and eggs.

USDA’s Food Safety and Inspection Service (FSIS) announced Friday that the H5N1 virus was discovered in meat from a single cull dairy cow as part of testing of 96 dairy cows. APHIS said the meat ...

The finding may not seem surprising, given the sweeping and ongoing outbreak of H5N1 among dairy farms in the US, which has reached 968 herds in 16 states and led to infections in 41 dairy workers.

The first case of the bird flu in a New Jersey cat was confirmed Friday by public health officials, who said the feline had ...

In this NEJM Outbreaks Update, Editor-in-Chief Eric Rubin and Deputy Editor Lindsey Baden are joined by veterinarian and virologist Yoshihiro Kawaoka to discuss avian influenza and its current ...

It appears that there may have been another spillover of H5N1 bird flu virus from wild birds into dairy cattle. The Arizona Department of Agriculture announced Friday that it had found the virus ...

Since march of last year, the USDA has recorded a national total of 978 confirmed cases Avian Flu or H5N1 in dairy herds. Minnesota has confirmed a total of 9 cases on dairy farms. Dr. Nicole ...

Bird flu is here to stay. The H5N1 avian influenza is proliferating among U.S. cows and there are now two strains circulating among mammals and birds. Though there are only 68 confirmed cases in ...

Cats infected with H5N1 can develop severe and fatal illness. We don’t know much more. There is minimal surveillance at state or national levels in the U.S. for companion animal infectious ...

The Michigan State University Veterinary Diagnostic Laboratory said cats appear to be highly susceptible to the HPAI A(H5N1) strain of avian influenza and "increased vigilance is needed to both ...