September will soon be drawing to a close. The kids are back to school, and those of us in the Northern Hemisphere are ...

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 ...

San Diego County is now the fifth location in California to detect the bird flu, county officials announced Monday.

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 ...

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

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 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 ...