The latest trial data, which has yet to be reviewed by independent researchers or regulators, was based on 190 infections and 32,449 participants in the United States, Chile and Peru.
from World News Headlines, Latest International News, World Breaking News - Times of India https://ift.tt/3f9rL7y
AstraZeneca Covid-19 vaccine 76% effective in updated US trial results
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March 24, 2021
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