The US Food and Drug Administration (FDA) has approved MedImmune's, the global biologics arm for AstraZeneca PLC, FluMist Quadrivalent (Influenza Vaccine Live, Intranasal), a vaccine to prevent seasonal influenza in people ages 2 years through 49 years. The company submitted the sBLA early in the second quarter of last year.
FluMist Quadrivalent is the first influenza vaccine to contain four strains of the influenza virus, two influenza A strains and two influenza B strains. All other currently available licensed seasonal influenza vaccines are trivalent, containing three strains [two strains of type A influenza (A/H1N1 and A/H3N2) and one B lineage strain].
To read the full, original article click on this link: MedImmune receives US FDA approval for first four strain flu vaccine, FluMist Quadrivalent