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

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

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

This is where we are with bird flu at the moment: the awkward space between watchful waiting and all-out panic mode. The ...

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

So far, there have been 14 human cases of bird flu this year. All the patients — except the one from Missouri — had been linked to sick dairy cows or poultry.

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

The number of human cases of H5N1 bird flu in the U.S. this year has risen to 14, with the latest one marking the first ...

A case of bird flu has been confirmed in a Missouri resident who had no known contact with dairy cows, poultry or wil ...

Disease investigators have not been able to determine how a person in Missouri with no known exposures to animals or poultry became infected with an H5 bird flu virus.

So far, there have been 14 human cases of bird flu this year. All the patients — except the one from Missouri — had been ...