Oxford University and AstraZeneca reported on March 22 that their coronavirus ” vaccine for the world” was safe and 79 percent effective overall, according to data from a long-awaited clinical trial in the United States, alongside other studies in Chile and Peru. The two-shot regimen was completely effective at preventing severe cases of illness.
Washington Post: AstraZeneca’s US trial shows coronavirus vaccine is 79 percent effective
A syringe leans against a vial of AstraZeneca COVID-19 vaccine in a pharmacy in Paris on March 12, 2021.
