A new PEARLS article in PLoS Pathogens reviews the rapid evolution and pandemic potential of emerging influenza A viruses, ...

Health officials are making a renewed call for vigilance against bird flu​, but some experts are puzzling over why reports of ...

Bird flu, also known as H5N1, has been around for decades. But a 2024 discovery came as a surprise to public health experts.

The outbreak was detected on 15 May 2025 in breeding chickens at a commercial poultry farm located in the municipality of ...

While only a handful of human infections have occurred so far, the report said that the virus had a staggering mortality rate ...

However, Hajek said, the high number of ostriches that died in the December outbreak — 69 out of 450 birds — shows that the ostriches became very sick and 15 per cent of the flock was lost, even if it ...

How dangerous is it? Where did it come from? H5N1 influenza’s origins stretch back to the 1990s, and key events paved the way ...

The first death caused by H5N1 bird flu was reported in January 2025. Some believe the virus could eventually pose a ...

The detection of bird flu in a single poultry farm in southern Brazil is reverberating around the world, cutting supplies to ...

Researchers developed a nationwide model to simulate the spread of H5N1 in US dairy cattle, revealing significant under-reporting and predicting continued outbreaks into 2025. Targeted farm-level ...

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 ...

Bird flu, also called H5N1, was found last week at a poultry farm in Maricopa County, Arizona. The farm which has not been named is now under quarantine. Health officials say eggs from sick birds were ...