A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

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

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

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

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

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

A second Missouri healthcare worker who had contact with a hospitalized patient infected with bird flu developed mild ...

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

A second health worker who cared for a person hospitalized in Missouri with H5N1 bird flu developed mild respiratory symptoms ...

A second healthcare worker in Missouri showed mild respiratory symptoms after contact with a hospitalized bird flu patient, ...

The mandatory testing comes as the total number of infected herds in California has risen to 17. Nationally, officials have ...