Illinois had at least 103 outbreaks of the stomach bug norovirus in November and December — a dramatic increase from previous ...

The virus spreads easily and quickly through contaminated food and water. Cases often spike each year as people gather with family and friends during the holidays.

Norovirus infection has characteristic clinical and epidemiological features that can allow its differentiation from other causes of gastroenteritis. Norovirus is often acquired from a contact ...