BackgroundKeep Reading:ACIP Recommendations SummaryCDC and FDA monitor the safety of all vaccines licensed in the United States, including seasonal influenza vaccines. Studies support the safety of annual influenza vaccination in children and adults.This summary provides information on four types of trivalent influenza vaccines:Egg-based inactivated influenza vaccine (egg-based IIV3s)Cell culture-based inactivated influenza vaccine (ccIIV3)Recombinant influenza vaccine (RIV3)Live attenuated influenza vaccine (LAIV3)Three topic areas are reviewed for each vaccine type:Adverse Events: Symptoms or health problems that occur following or during administration of a vaccine that might be caused by the vaccine or might be coincidental and not related to vaccination.Contraindications: A condition in a vaccine recipient that increases the risk for a serious adverse reaction. A vaccine should not be administered when a contraindication is present.Precautions: A condition in a vaccine recipient t...
