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

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

In a case that continues to confound scientists, U.S. health officials said Thursday that they still don't know how ...

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 patient from Missouri has recovered, but health officials are still investigating how they became infected.

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

Epidemiologists have not yet identified exactly how a person in Missouri contracted bird flu last week, said the U.S. Centers ...

Health officials on Thursday said they don’t know how a Missouri person caught bird flu but believe it may be a rare instance ...

July 19The CDC confirmed an additional two bird flu cases in poultry farm workers from the same facility in Colorado, bringing the country’s total human case count to 11. July 15Officials ...