Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.

As a virus scientist in South Africa, I’ve been watching with dread as H5N1 bird flu spreads among animals in the United ...

Colleagues, it's time to wake up and smell the coffee. Or, for a true reality check, just scan the Department of ...

Two new flock infections are confirmed after the virus was absent from poultry in the province since February.

A map has been released showing a protection zone and a surveillance zone that have been put up after bird flu was found in ...

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

Oregon confirms its first human bird flu case, the latest in dozens of cases in the U.S. this year. Experts discuss the ...