Respiratory Virus Guidance Information - Core prevention strategies Immunizations Steps for Cleaner Air Hygiene Treatment Layering prevention strategies can be especially helpful when:    Respiratory viruses are causing a lot of illness in your community You or those around you have risk factors for severe illness You or those around you were recently exposed, are sick, or are recovering *Stay home and away from others until, for 24 hours BOTH: Your symptoms are getting better You are fever-free (without meds) Then take added precaution for the next 5 days