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

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In addition to San Diego, wastewater bird flu detections in California included west Contra Costa County on June 10, Turlock ...

It’s easier to steal another seabird’s meal than catch your own fish. But this behaviour by skuas, frigatebirds and gulls is ...

Today's health news includes concerns that childhood obesity guidelines could increase risk of eating disorders, bird flu ...

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

A week after an unusual human case of H5 avian influenza was reported in Missouri, many questions remain. The latest on what's known -- and not known -- about the case, and why scientists are worried.

The Centers for Disease Control and Prevention said Thursday it has yet to identify “a clear source” of infection in a ...

The government says efforts to position vaccines that target the flu circulating in dairy cows are nearly complete.

While authorities are downplaying the dangers of the H5N1 virus, it can evolve very rapidly and every spillover event into ...

"The widespread detection of influenza A (H5N1) virus in wastewater from 10 U.S. cities is troubling," the authors concluded.

Investigators trying to determine how the person caught the virus have not been able to confirm the exact strain of flu.