The data, which appeared fleetingly online on Wednesday, confirmed transmission in two households. Scientists called on the ...

State and local health officials are reporting a new wave of flu cases. According to a NYC Health surveillance report that ...

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

For a second time this season, at least 41 states are reporting high or very high levels of the flu. Here's how to stay safe.

Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with ...

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...

The United States is seeing a second peak in flu cases this season. After doctor’s office visits for flu dipped early this ...

RSV, respiratory syncytial virus, usually peaks in December and January while infecting the nose, throat and lungs, usually ...

It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the ...

While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most ...

It's flu season, but not all influenza is the same. If you're feeling sick, it helps to know the difference between flu A and ...

Illinois is seeing a "notable increase" in hospital admissions for flu cases, according to state health officials, as levels of respiratory viruses continue to tick up. But which type of flu is ...