Influenza Vaccine Dosing Algorithm: 6 Months-8 Years

INFLUENZA VACCINE DOSING ALGORITHM: 6 MONTHS−8 YEARS


Did the child receive at least 2 total doses of trivalent or quadrivalent vaccine before July 1, 2022?*			Yes	▶	1 dose of 2022−23 influenza vaccine
				▶	1 dose of 2022−23 influenza vaccine
	No or unknown	No or unknown
	▼
	2 doses^† of 2022−23 influenza vaccine

NOTES

For children aged 8yrs who require 2 doses of influenza vaccine, both doses should be administered even if the child turns 9yrs old between receipt of dose 1 and dose 2.

*The 2 doses need not have been received during the same season or consecutive seasons.

^†Doses should be administered at least 4 weeks apart.

REFERENCES

Grohskopf LA, Blanton LH, Ferdinands JM, et al. Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices — United States, 2022–23 Influenza Season. MMWR Recomm Rep. 2022;71(No. RR-1):1–28. DOI: http://dx.doi.org/10.15585/mmwr.rr7101a1

(Rev. 9/2022)

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