While we often refer to it as "the flu," the influenza virus has several strains. Here's what to know about the two most ...

How does bird flu spread? Can people get bird flu? Bird flu can infect birds as well as mammals, including pigs, cattle and ...

A new report suggests that more Americans may be walking around with bird flu − and not even know it. Researchers from the ...

Influenza, COVID-19 and RSV are staples of the winter cold and flu season, but the measles, whooping cough and norovirus are ...

Says a pediatric infectious disease physician, “Our expectation is that we’re going to have several more weeks yet of a lot ...

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

(NBC CHICAGO) -- 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.

CDC finds H5 bird flu antibodies in 3 veterinary practitioners, highlighting need for enhanced surveillance and safety protocols.

Indiana is seeing "very high" rates of influenza activity in emergency rooms, urgent care centers and primary care offices across the state.

The flu is walloping every corner of Massachusetts in an unusual second surge of the season, with people reporting flu-like ...