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Flumist Quadrivalent Dosage

Generic name: INFLUENZA A VIRUS A/VICTORIA/1/2020 (H1N1) LIVE (ATTENUATED) ANTIGEN 10000000[FFU] in 0.2mL, INFLUENZA A VIRUS A/NORWAY/16606/2021 (H3N2) 10000000[FFU] in 0.2mL, INFLUENZA B VIRUS B/AUSTRIA/1359417/2021 LIVE 10000000[FFU] in 0.2mL, INFLUENZA B VIRUS B/PHUKET/3073/2013 LIVE (ATTENUATED) ANTIGEN 10000000[FFU] in 0.2mL
Dosage form: nasal spray
Drug class: Viral vaccines

Medically reviewed by Last updated on Aug 8, 2022.


Dosing Information

Administer FluMist Quadrivalent according to the following schedule:

1 or 2 doses depends on vaccination history as per Advisory Committee on Immunization Practices annual recommendations on prevention and control of influenza with vaccines.
Administer as 0.1 mL per nostril.




2 years through 8 years

1 or 2 doses*,
0.2 mL each

If 2 doses, administer at least 1 month apart

9 years through 49 years

1 dose, 0.2 mL


“-” indicates information is not applicable.

Administration Instructions

Each sprayer contains a single dose (0.2 mL) of FluMist Quadrivalent; administer approximately one half of the contents of the single-dose intranasal sprayer into each nostril (each sprayer contains 0.2 mL of vaccine). Refer to Figure 1 for step-by-step administration instructions. Following administration, dispose of the sprayer according to the standard procedures for medical waste (e.g., sharps container or biohazard container).

Figure 1

Figure 1

More about FluMist Quadrivalent (influenza virus vaccine, live, trivalent)

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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.