FLUMIST QUADRIVALENT (LAIV4) and IIV vaccine effectiveness (VE) data overlapped for all strains, demonstrating the general VE comparability during the seasons between 2016 and 20202-4*
*There are no head-to-head clinical studies comparing LAIV4 and IIV. Results are descriptive only.
IIV=inactivated influenza vaccine; LAIV4=quadrivalent live attenuated influenza vaccine; VE=vaccine effectiveness.
FLUMIST QUADRIVALENT efficacy
The effectiveness of FLUMIST QUADRIVALENT is based on data demonstrating1:
FLUMIST QUADRIVALENT is a vaccine indicated for active immunization of persons 2-49 years of age for the prevention of influenza disease caused by influenza A subtype viruses and type B viruses contained in the vaccine. FLUMIST QUADRIVALENT is for intranasal administration only.
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