Norovirus causes about 20 million gastroenteritis cases each year in the United States. There's no vaccine to prevent infection and no drug to treat it. Wash your hands often and follow simple tips to stay healthy.
Seasonal Influenza (Flu)
Influenza (the flu) is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness, and at times can lead to death. Some people, such as older people, young children, and people with certain health conditions, are at high risk for serious flu complications. The best way to prevent the flu is by getting vaccinated each year.