New York Times: AstraZeneca’s Covid-19 Vaccine Is Found to Be 79% Effective in U.S. Study

New York Times: AstraZeneca’s Covid-19 Vaccine Is Found to Be 79% Effective in U.S. Study. “The trial, involving more than 32,000 participants, was the largest test of its kind for the shot. The vaccine was 79 percent effective overall in preventing symptomatic infections, higher than observed in previous clinical trials, the company announced in a news release. The trial also showed that the vaccine offered strong protection for older people, who had not been as well represented in earlier studies.”

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