H3N2 is a type of influenza virus. The H3N2 influenza virus began circulating in humans in 1968 and has evolved substantially since then.
1. Wash your hands regularly with soap and water or use hand sanitizer. 2. Avoid close contact with people who are sick. 3. Cover your mouth and nose with a tissue or your elbow when you cough or sneeze.
4. Stay home from work, school, and other public places if you are feeling sick. 5. Clean and disinfect surfaces that are frequently touched, such as doorknobs and countertops.