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 ...

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 ...

Health officials say they don’t know how a Missouri person caught bird flu, but they believe it may be a rare instance of a ...

The Czech Republic has reported an outbreak of the highly pathogenic H5N1 strain of avian influenza, or bird flu, on a ...

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

The H5N1 virus, initially restricted to Eurasia and Africa, has since spread to North and South America and even reached ...

Avian flu in dairy cows could stick around on US farms forever, and is raising the risk of outbreaks in mammals—including ...

Political apathy and selfishness in the face of outbreaks of bird flu and mpox show that the world has not learned from the ...

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

Bird flu has been spreading in dairy cows in the US—and the scale is likely to be far worse than it looks. In addition, 14 ...

Several labs will work with federal health authorities to develop a test for avian influenza, as the number of human cases ...