COVID-19 Vaccination Questions and Answers By Vincent Iannelli, MD / January 13, 2021 / anaphylaxis, answers, COVID-19 vaccine, early dose, grace period, late dose, mutant strains, questions, questions about vaccines, repeating vaccines, second dose, shedding, side effects, spike protein, titer testing, VAERS We have all of the answers to your questions about the COVID-19 vaccines. Share this:TweetPrintEmailShare on TumblrWhatsAppLike this:Like Loading...