Tag Archives: AstraZeneca

Oxford Covid Vaccine Efficacy: Is It 70% Or 90%?

NEW DELHI: AstraZeneca and the University of Oxford said Monday that their Covid vaccine was an average 70 percent effective, but added that it could be up to 90% effective without serious side effects. In 8,895 participants who received two full doses, the efficacy of the AstraZeneca vaccine was 62%. …

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