Categories Articles AstraZeneca COVID-19 Vaccine Up to 90% Effective, Late-Stage Trials Show Post author By crystalg Post date November 23, 2020 TIME Tags AstraZeneca, COVID19, Effective, latestage, Show, trials, Vaccine ← AstraZeneca and Oxford University announced a 3rd working COVID-19 vaccine, which they say is 70% effective → Oxford University and AstraZeneca vaccine trial shows up to 90 percent effectiveness