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 ...

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

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

An individual from Missouri with no known exposure to risk factors got infected, and a close contact developed symptoms but ...

One person is now confirmed to have contracted a case of the avian flu virus, or H5N1, in Missouri, the U.S. Centers for ...

Mystery H5 flu case had a close contact who was ill at same time; CDC hopes blood tests will show if there was a connection.

The Centers for Disease Control and Prevention has confirmed the first case of avian influenza A (H5) bird flu in a person ...

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

A person in Missouri is the United States’ first case of H5 avian influenza without a known exposure to a sick animal, the US ...

Bird flu cases have been popping up all across the country, including in Arizona, with a little over 60 confirmed animal cases in the state.

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

The case was identified through that state's seasonal flu surveillance system, the agency said. The case was confirmed on ...