Colleen Chawla is settling into an important role for San Mateo County: as its chief health officer who manages 2,200 ...

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

Federal officials tracking bird flu have found the virus on poultry farms, but experts say the outbreaks are not currently a ...

This includes 12 newly reported outbreaks in seven countries — Belgium, Denmark, Germany, Finland, Lithuania, Norway, and ...

As more humans become infected by H5N1 bird flu, experts worry of a new pandemic with 70 human cases in the U.S. including 1 ...

Despite their propensity for catching bird flu, cats are not actively monitored for the disease and any testing typically ...

H5N1 is particularly lethal for poultry, often leading to the rapid death of entire flocks. Cattle, on the other hand, have shown a stronger ability to recover. Human infections have remained rare and ...

As avian flu continues to spread across the country, recent detections in New Jersey—including in Mercer County—have raised ...

Nasal Spray H5N1 Avian Influenza Vaccine Developed Apr. 8, 2025 — Scientists have pioneered an influenza virus vector-based nasal spray vaccine platform and developed a nasal spray H5N1 avian ...

H5N1 is a highly contagious strain of avian influenza A that primarily affects birds. It has circulated for years, but a more virulent variant emerged in 2024, decimating poultry flocks and raising ...

Among animals, more than 169 million commercial poultry or backyard birds have been infected in the current H5N1 outbreak, ...

Experts urge to prepare for possible new pandemic spreading in all 50 states: new H5N1 bird flu outbreak in cows, human infections. What to know ...