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

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

Bird flu typically spreads among birds, but there have been recent outbreaks among cattle in the U.S., and one Texas man ...

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

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

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

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

The Missouri case raised questions about the possibility of human-to-human bird flu transmission, but officials said there is ...

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

in case the bird flu does start spreading widely among people or begins causing severe illness. On Thursday, the CDC announced it is partnering with five commercial lab companies so they can ...

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