Can I Get a Second Flu Shot for Extra Protection? By Vincent Iannelli, MD / January 12, 2019 January 12, 2019 / boosters, doses, flu season, flu shot myths, flu shots, herd immunity, priming dose, revaccination, second dose, second flu shot, vaccine effectiveness, Vaccine Preventable Diseases, waning immunity Can you get a second dose of the flu shot for extra protection? Share this:FacebookTwitterRedditPrintLinkedInPinterestEmailTumblrWhatsAppLike this:Like Loading...