The Food and Drug Administration has authorized the Johnson & Johnson COVID-19 vaccine, which only needs one dose and can be stored in regular refrigerators. It’s the third COVID-19 vaccine to get sign-off from the agency.
The vaccine can be administered to people 18 years and older. It protects against serious disease, and clinical trials did not flag any dangerous safety problems. In the United States, it was 72 percent effective against severe and milder COVID-19. It was slightly less effective in South Africa, where a variant form of the coronavirus is widespread. Early data also suggested that the shot might prevent asymptomatic infections, but researchers need more data before they can say that for sure.
The Johnson & Johnson...
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