Did the DTaP Vaccine Only Have a Four Day Clinical Trial? By Vincent Iannelli, MD / September 14, 2020 / #readtheinsert, clinical trials, DTaP, DTaP reactions, Jim Meehan, package inserts, phase III trials, QAnon, reporting vaccine side effects, side effects, vaccine development, Vaccine Misinformation, Vaccine Safety Datalink, VAERS Did the DTaP Vaccine Only Have a Four Day Clinical Trial? Share this:FacebookTwitterRedditPrintLinkedInPinterestEmailTumblrWhatsAppLike this:Like Loading...