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

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.

While a seasonal uptick in respiratory viruses is expected in winter each year, we’re still seeing higher overall numbers ...

— The flu, caused by influenza viruses that are always changing, leads to fever, chills, cough, sore throat, runny nose, body ...

Treat the symptoms: First, isolate from others as much as possible. Slow down stool with anti-diarrheal medication and drink ...