There’s a new term to describe the rise of respiratory illnesses this season: “quad-demic.” The “quad” in quad-demic refers ...

Data from the Centers for Disease Control and Prevention showed an increase in three respiratory viruses—COVID-19, flu and RSV—and the gastrointestinal disease norovirus. Emergency department ...

Cases of influenza, RSV, COVID-19 and norovirus are surging at the same time Cara Lynn Shultz is a writer-reporter at PEOPLE. Her work has previously appeared in Billboard and Reader's Digest.

The U.S. is seeing a "quad-demic" as cases of COVID-19, flu, RSV and norovirus spread at the same time. Experts said this is what you need to know. The so-called "quad-demic" includes flu ...