In a U.S. trial, the two-dose vaccine reduced symptomatic disease by 79% and severe Covid-19 and hospitalization by 100%.
AZ's Covid-19 Vaccine Shows Better-Than-Expected Efficacy
Comment
Show comments
Hide Comments
In a U.S. trial, the two-dose vaccine reduced symptomatic disease by 79% and severe Covid-19 and hospitalization by 100%.
