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 ...

As bird flu sweeps across US poultry and cattle farms, researchers are racing to find ways to contain the outbreaks before ...

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

The outbreak was detected on 15 May 2025 in breeding chickens at a commercial poultry farm located in the municipality 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 first death caused by H5N1 bird flu was reported in January 2025. Some believe the virus could eventually pose a ...

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

Brazil has reported its first H5N1 avian flu outbreak in commercial poultry, which began on May 12 near the city of ...

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 ...

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 ...