University of Oxford and AstraZeneca vaccine trial shows up to 90% efficacy
[ad_1] A COVID-19 vaccine developed by the University of Oxford in the UK and AstraZeneca has an average effectiveness of 70.4%, according to an interim analysis announced today. In trials, the efficacy of the vaccine varied with the doses administered. When two full doses were given one month apart, the efficacy was 62%, but increased … Read more