The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics.

With cold and flu season approaching, it’s worth knowing about another virus out there—albeit extremely rare: bird flu. Like ...

Political apathy and selfishness in the face of outbreaks of bird flu and mpox show that the world has not learned from the ...

Avian flu in dairy cows could stick around on US farms forever, and is raising the risk of outbreaks in mammals—including ...

Avian influenza, or bird flu, refers to the disease caused by infection with Type A viruses. The Alabama Department of Public Health reports these viruses occur naturally among wild aquatic birds ...

Mysterious US bird flu case in person without any known contact with an infected animal raises spectre of human-to-human ...

Kleptoparasitism, in which a bird harasses another to steal its food, might introduce avian flu to the continent, currently ...

Last Friday, the Missouri health department announced a recent human case of bird flu. What’s unsettling about the case is that the patient — hospitalized on August 22 and later released — is the ...

Several labs will work with federal health authorities to develop a test for avian influenza, as the number of human cases ...

A close contact of someone with bird flu became ill on the same day, the C.D.C. reported. But the second person was not ...

The case is concerning because it's the first human case this year not tied to a known exposure to animals. Before now, all ...