The #AstraZeneca #CovidVaccine US #Phase3 #clinicaltrial demonstrated statistically significant vaccine efficacy of 79% at preventing symptomatic #COVID19 & 100% efficacy at preventing severe disease & hospitalization. NO INCREASED IN RISK OF THROMBOSIS https://t.co/rCdb1d2ttR pic.twitter.com/WWHowYacym

— Dr Melvin Sanicas (@Vaccinologist) March 22, 2021