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.

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

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

During the COVID pandemic, RSV showed a slightly odd pattern: like flu, it basically disappeared in the 2020–2021 season, ...

For the week ending Jan. 25, seasonal flu activity remains high and increasing. Clinical laboratories tested 129,378 ...

Flu cases had previously peaked this season at the very end of December. At week 52 —ending on December 28—the percentage of ...

McLaughlin suggests staying home from work or school for a full week — if not a little longer — to stop the spread. Also, ...

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