Flu Prevention Tips Make an Appointment Ask a Question Search Conditions This information has been reviewed and approved by Rosine Angbanzan, MPH (September 2019). Summary: Flu Prevention Tips Flu risk reduced up to 60% by vaccine Influenza is the only respiratory virus preventable by vaccination. Wash hands by washing with soap and water or use hand sanitizer. Cover Your Mouth and Nose with a tissue when you cough or sneeze. Don't Touch Your Face with unwashed hands; it’s the easiest way for germs to enter your body. Smiling and laughing can help boost your immune system. Eat Healthy and balanced meals to strengthen your immune system. Exercise boosts your immune system and speeds recovery from illness. Stay Home until your fever is gone for 24 hours without using fever-reducing medicine. More Information on Preventing the Flu Influenza (Flu) Vaccine Avoiding the Flu at School Exercises to Boost Immunity Prepare Now for the Beginning of Flu Season Eating Healthy Find a Doctor Make an Appointment You may use this infographic or our Flu Prevention Tips (pdf) with permission by completing our content usage request form.