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 ...

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

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

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

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

San Diego County is now the fifth locality in the state to report the environmental detection of H5 influenza virus or "bird ...

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 ...

On Monday state officials announced they had completed testing on all 95 licensed farms in Massachusetts that have dairy ...

A patient in Missouri who was hospitalized after an infection with bird flu had the H5N1 strain of the virus, the US Centers ...

All Massachusetts dairy farms are 100 percent free of bird flu, state officials announced on Monday. At least 14 states ...

The Centers for Disease Control and Prevention has picked five lab partners to develop a test for avian influenza A (H5N1) — ...