The United States on Saturday authorized Johnson & Johnson's Covid vaccine for emergency use, giving the nation a third shot to battle the outbreak that has killed more than 500,000 Americans. The single-shot vaccine is highly effective in preventing severe Covid-19, including against newer variants, the Food and Drug Administration (FDA) said before giving it a greenlight.from US News Headlines, Latest USA News, US Election 2020 news on Times of India https://ift.tt/3r2rINY
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