AstraZeneca COVID vaccine latest to show high efficacy

Syringe with needle and biceps
Nov 23, 2020

Combined data show 70% efficacy, but it was 90% when the first dose was halved.

Lisa Schnirring | News Editor | CIDRAP News

Nov 23, 2020
Combined data show 70% efficacy, but it was 90% when the first dose was halved.Read More

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