People are spreading holiday cheer — and germs, leading to sicknesses like COVID, flu, RSV, norovirus stomach bug and more. But how long are you contagious? Dr. Carla Garcia Carreno, Children's ...

Noroviruses, also known as food poisoning or the stomach bug, are “ common and highly contagious ,” according to the National ...

There were 91 outbreaks reported during a week in December — more than double what was seen in previous years, the CDC says.