Every winter, as the air sharpens and scarves return to shoulders, an old visitor also makes a reappearance: the flu. It ...

A. You might be suffering from influenza. Colds do not usually cause body aches. This year, the dominant influenza virus has ...

Onset, intensity, severity and duration of influenza seasons vary each year and are driven by factors such as temperature, ...

Finding that vampire bats along Peru’s coast carried H5N1 antibodies raises concerns that multiple bat species could become ...

It may feel like you are surrounded by sniffles and coughs, but flu season activity is still low in many parts of the U.S.

Avian influenza viruses (AIVs) represent an evolving global threat to animal and human health, with outbreaks recurring across wild bird populations, ...

The sudden appearance of this symptom could be your body's alarm bell going off, a top infectious disease MD explains.