What Is a Hexavalent Vaccine? By Vincent Iannelli, MD / December 27, 2018 / antigens, combination vaccines, hexavalent, hexavalent vaccine, pain relief, V419, vaccine pipeline, Vaxelis Hexavalent vaccines can provide protection against six vaccine-preventable diseases in just one shot. Share this:TweetPrintEmailShare on TumblrWhatsAppLike this:Like Loading...