Norovirus causes an average of 900 deaths annually mostly among older adults, 109,000 hospitalizations, and 19 million to 21 million cases in the U.S. each year.

State officials are urging residents to wash their hands and take other precautions as New Jersey experiences a surge of the highly contagious norovirus. It's part of a national phenomenon, with ...

Viral infections are illnesses caused by a virus rather than bacteria or fungi. Many viral infections can cause skin rashes, called exanthems. Most clear up on their own, but some require medication.