NBC News published this video item, entitled “U.S. AstraZeneca Trial Finds Vaccine Is 79 Percent Effective Against Covid | NBC News NOW” – below is their description.
A Phase 3 trial of the AstraZeneca vaccine conducted in the U.S. found that the Covid-19 vaccine was 79 percent effective against symptomatic illness and 100 percent effective in stopping severe and fatal cases of the disease.
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U.S. AstraZeneca Trial Finds Vaccine Is 79 Percent Effective Against Covid | NBC News NOWNBC News YouTube Channel