FDA approves first quadrivalent vaccine to prevent seasonal influenza
For Immediate Release: Feb. 29, 2012 Media Inquiries: Rita Chappelle, 301-796-4672, rita.chappelle@fda.hhs.gov Consumer Inquiries: 888-INFO-FDA FDA approves first quadrivalent vaccine to prevent seasonal influenza FluMist Quadrivalent, a vaccine to prevent …