Rates of norovirus in that CDC system have reached levels at or above last season's peak in all regions of the country.

The Biden administration is releasing a “roadmap” for maintaining government defenses against infectious diseases, just as ...

COVID-19, influenza, RSV, and norovirus—have created what experts are calling a "quad-demic" in the U.S. Here's what to know ...

Twenty states (plus D.C.) had "very high" levels of the virus present in wastewater, an increase from 16 states the week ...