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

Mysterious US bird flu case in person without any known contact with an infected animal raises spectre of human-to-human ...

Genetic analysis of a bird flu virus detected in a person in Missouri who didn’t previously have contact with animals offers ...

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 ...

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

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 ...

But experts said that all depends on whether there are any further bird flu outbreaks. Outbreaks of bird flu earlier this ...

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