Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. It can range from mild ...

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 ...

AUSTIN, Texas — You may be hearing more coughs around Central Texas because doctors say we've seen an uptick in respiratory virus activity recently.

Bird flu (H5N1) primarily affects birds but has spread to mammals, including humans. While human transmission remains rare, ...