#Coronavirus #Replace #AstraZeneca #DNA #COVID #Vaccine #Defined #Pfizer #BioNTech #Moderna [ad_1] Professor Roger Seheult, MD discusses the AstraZeneca and Oxford DNA COVID-19 Vaccine: The way it works, and what we all know concerning the security, efficacy, and uncomfortable side effects right now. Dr. Seheult illustrates the variations and similarities between the AstraZeneca / Oxford vaccine