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  • Influenza
  • For Special Populations

Does influenza vaccine increase the HIV titer in the blood of people with HIV infection?

Although some studies have demonstrated a transient increase in replication of HIV following inactivated influenza vaccine, other studies have not found this. This temporary increase in HIV titer has not been associated with deterioration in either T-lymphocyte counts or clinical condition. ACIP believes that annual influenza vaccination with inactivated vaccine will benefit many HIV-infected people.

Last reviewed: September 10, 2023

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