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.

Flu A and flu B are two different strains of influenza, explains Thomas Russo, M.D., professor and chief of infectious ...

With the devastating 1918 pandemic in mind, US health officials saw an outbreak in Asia and swung into action. What happened ...

Schools across the United States are closing temporarily due to surges of flu and other seasonal illnesses among students and ...

Researchers have a new hope for preventing severe illness from the bird flu after finding a groundbreaking antibody treatment ...

A Massachusetts biopharma giant is at the center of preparations already underway if bird flu mutates and begins to find ...

While flu viruses are detected year-round in the U.S., the virus activity usually peaks between December and February. Flu ...

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

Many nursing home residents are refusing COVID shots this winter, though flu vaccine penetration has remained strong historically.

What you need to know about bird flu. Public health experts are closely watching avian influenza, which has affected chickens ...

A second type of the virus, D1.1, has been detected in dairy cattle in Nevada, US. A second type of bird flu H5N1 detected in ...

It feels like everyone is sick right now. And while that is a slight exaggeration, the real situation isn’t too sunny either.