Norovirus and its varying strains are nothing new, but health experts are seeing increased activity compared to other years.

A 'quad-demic' of winter illnesses is surging throughout the South, Midwest, and parts of the Northeast US, according to the ...

"Those can certainly have a very adverse effect on Raleigh." For much of Raleigh's life, Fisher could take comfort in the ...

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 ...

At least 15 states have very high levels of influenza, according to the Centers for Disease Control and Prevention.

Dr. Kristin Moffitt from Boston Children's Hospital discusses spike in flu cases among children across Massachusetts.

Jen Fisher can do only so much to keep her son safe from the types of infections that children can encounter at school. The rest, she said, is up to other students and parents in their hometown of ...

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

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

Respiratory illnesses, including COVID-19, influenza, and RSV, are surging across the United States, with healthcare systems ...

A number of states are seeing a spike in hospital visits caused by respiratory illnesses as we enter the New Year.