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.

Multiple norovirus outbreaks have been reported in Chicago during the month of January, the Chicago Department of Public Health confirmed this week.

“Norovirus outbreaks are increasing due to a rise in social gatherings and travel, particularly during the winter months,” ...

The 'Ferrari of viruses' that causes violent diarrhea and stomach pains is having its biggest surge since before the Covid ...

One in four Americans tested for a stomach bug have ultra-contagious norovirus, according to new data released by the CDC.

Bon Secours and Prisma Health are implementing new visitor restrictions as cases of influenza and respiratory illnesses rise ...

The CDC and IDPH have reported increased numbers of norovirus in Illinois and the country, with outbreaks occurring in Will ...

While a seasonal uptick in respiratory viruses is expected in winter each year, we’re still seeing higher overall numbers ...

— The flu, caused by influenza viruses that are always changing, leads to fever, chills, cough, sore throat, runny nose, body ...