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

The number of California dairy herds reported to have outbreaks of H5N1 bird flu has grown to eight.

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

A close contact of a Missouri resident identified as having a human case of the H5N1 avian flu also became sick around the ...

The H5N1 virus, initially restricted to Eurasia and Africa, has since spread to North and South America and even reached ...

The Czech Republic has reported an outbreak of the highly pathogenic H5N1 strain of avian influenza, or bird flu, on a ...

With the approach of fall and cooler weather across the United States, officials say the risk posed by the H5N1 bird flu ...

Researchers in Texas detected H5N1 in wastewater from 10 cities, but the risk to humans is currently low. Ongoing ...

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

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

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 ...

Hanson and Tisza noted that they track many other viruses, and have seen the summer COVID surge in their surveillance, as ...