Norovirus—a highly contagious virus known for causing gastrointestinal distress—is making headlines this winter due to a ...

In the last few months, schools all over the country have closed because of outbreaks of norovirus. Also known as stomach flu, norovirus infections cause watery diarrhea, low-grade fever and, most ...

By Dec. 11, 495 outbreaks of norovirus had been reported nationwide, compared with 393 outbreaks the same time last year, according to the Centers for Disease Control and Prevention. Health ...

“Norovirus is a much more environmentally stable and hearty virus because it lacks an envelope,” says Infectious Disease Expert Amesh A. Adalja, M.D., senior scholar at the Johns Hopkins Center for ...

In the week of December 5, there were 91 outbreaks of norovirus reported, up from 69 the previous week. In the same period in recent years, there generally were 65 or less outbreaks per week.

People with norovirus, an illness that causes diarrhea and vomiting, are filling up emergency rooms across Arizona, and health care providers are preparing for another wave of cases. Norovirus ...