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  • Influenza
  • For Special Populations

A co-worker of mine says we are supposed to give infants preservative-free influenza vaccine. Is this true?

No. CDC and ACIP express no preference for preservative-free vaccine for infants or any other group of vaccine recipients.

No scientific evidence exists that thimerosal in vaccines is a cause of adverse events unless the patient has a systemic allergy to thimerosal. However, some states have enacted legislation that restricts the use of thimerosal-containing vaccines. Check with your state immunization manager to see if your state is one of them (

Last reviewed: September 10, 2023

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