Sanofi's 4-in-1 influenza vaccine joins GlaxoSmithKline's Fluarix Quadrivalent and AstraZeneca's MedImmune FluMist Quadrivalent that are already approved for use in the United States. In this ...

The FDA has started a review of an extension to the labelling for AstraZeneca’s influenza vaccine FluMist Quadrivalent which would allow it to be administered by patients themselves or a caregiver.

We assessed an inactivated quadrivalent influenza vaccine (QIV) containing both B lineages versus TIV in young children. Methods Children aged 18–47 months who had received 2 doses of TIV in a ...

The vaccine, FluMist, can be administered by either the recipient or their caregiver. It is sprayed into the nose. FluMist prevents cases of the flu caused by influenza virus subtypes A and B.