News & Perspective

Mar 01, 2012

Mar 01, 2012

FDA clears first quadrivalent flu vaccine

(CIDRAP News) – The US Food and Drug Administration (FDA) yesterday approved the first quadrivalent influenza vaccine, an inhaled live attenuated influenza vaccine developed by MedImmune and modeled after its FluMist product.

The vaccine includes a second influenza B strain, which is designed to broaden protection against circulating strains. MedImmune plans to have the quadrivalent vaccine ready for the 2013-14 flu season.

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