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

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

Researchers in Texas detected H5N1 in wastewater from 10 cities, but the risk to humans is currently low. Ongoing ...

With cold and flu season approaching, it’s worth knowing about another virus out there—albeit extremely rare: bird flu. Like ...

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

In a decline not seen since the DDT era, the spectacular raptors have noticeably decreased in numbers over the past two years ...

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

"None of these four states reported H5 human influenza [bird flu] cases, nor did they report any confirmed cases in livestock ...

More and more dairy cow herds are becoming infected with the H5N1 bird flu, with documented cases of the flu being transmitted to humans working with the animals. Veterinary vaccine ...

Wisconsin’s dairy herds remain free of the H5N1 avian influenza virus. The state has required influenza A testing prior to ...

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

If seabirds can catch avian flu by stealing food from infectious birds, it gives scientists a clue where to monitor for outbreaks among these vulnerable birds.