Johns Hopkins HIV Guide
Influenza vaccine
VACCINE TYPE
Four major types are available in the U.S.:
- Inactivated influenza vaccine, Trivalent (IIV3)
- Available as a high-dose vaccine.
- Recombinant influenza vaccine, Trivalent (RIV3)
- Live attenuated influenza vaccine, Trivalent (LAIV3)
- mRNA influenza vaccine, Trivalent
- FDA-approved August 2026; not yet incorporated into CDC’s September 2026 interim influenza vaccine guidance.
- All 2026-27 Influenza season vaccines will be trivalent vaccines, as the influenza B/Yamagata lineage is no longer circulating.
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Last updated: October 31, 2026
Citation
Dzintars, Kathryn. "Influenza Vaccine." Johns Hopkins HIV Guide, The Johns Hopkins University, 2026. Johns Hopkins Guides, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545284/all/Influenza_vaccine.
Dzintars K. Influenza vaccine. Johns Hopkins HIV Guide. The Johns Hopkins University; 2026. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545284/all/Influenza_vaccine. Accessed November 9, 2026.
Dzintars, K. (2026). Influenza vaccine. In Johns Hopkins HIV Guide. The Johns Hopkins University. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545284/all/Influenza_vaccine
Dzintars K. Influenza Vaccine [Internet]. In: Johns Hopkins HIV Guide. The Johns Hopkins University; 2026. [cited 2026 November 09]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545284/all/Influenza_vaccine.
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