Categories Articles AstraZeneca and Oxford University announced a 3rd working COVID-19 vaccine, which they say is 70% effective Post author By crystalg Post date November 22, 2020 Business Insider Business Insider Tags Announced, AstraZeneca, COVID19, Effective, Oxford, They, University, Vaccine, working ← A Psychologist Answers All Your Questions About Hugh Grant and Nicole Kidman’s Characters in The Undoing → AstraZeneca COVID-19 Vaccine Up to 90% Effective, Late-Stage Trials Show