Cases of H5N1 have been climbing nationally, with one West Coast state seeing a rapid increase since the start of October.

Emails show concerns about potential human-to-pet transmission, with cases in cats now confirmed in multiple states.

Four new cases of avian influenza were detected in farmworkers in Washington state this week, the latest in a drumbeat of ...

Two new cases each were confirmed in Washington and California. The number of confirmed bird flu cases has risen in the U.S. to 31, federal health officials said on Thursday. Washington health ...

Of the 15 HPAI flock infections to be confirmed in Canada since the outbreak resumed in October, 14 have been in British ...

"Additionally, based on CDC’s genomic sequencing of three California bird flu cases, there is no evidence to suggest an increased ability for the virus to infect or spread between people and no ...

Five more people who presumably contracted the bird flu are being tested amid outbreaks in California's dairy industry, health officials confirmed Monday. The five new possible positive cases are ...

France has stepped up its bird flu risk assessment to 'high' from 'moderate', it said on Friday in a decree that will trigger ...

Hundreds of emails from state and local health departments provided via public records requests share insight on the spike of ...

First case confirmed since declaration of zonal freedom in February 2024. Risk levels increased and all bird keepers urged to ...

While the public health risk is still low, the CDC is watching the situation closely for any signs that the flu might mutate ...

Four new cases of avian influenza were detected in farmworkers in Washington state this week, the latest in a drumbeat of human infections cropping up across the U.S. as the virus continues to ...