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

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

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

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

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

Genetic analysis of a bird flu virus detected in a person in Missouri who didn’t previously have contact with animals offers ...

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 ...

WASHINGTON — Public health officials are still trying to determine how a Missouri resident contracted bird flu without having ...

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

A suspected bird flu patient with no exposure to animals has “shared contact” in a similar case as experts issue a fresh ...