The Food and Drug Administration has authorized emergency use of a coronavirus vaccine from Johnson & Johnson, adding a third shot to the U.S. arsenal.
The agency on Saturday cleared the vaccine for use by people ages 18 and older, one day after an independent FDA advisory committee had endorsed the shot.
The J&J shot is given as a single dose, unlike previously authorized vaccines from Pfizer and Moderna, which are given as two-dose regimens. Studies have shown the Johnson & Johnson vaccine is about 66 percent effective at preventing moderate to severe Covid-19, and provides complete protection against hospitalization and death.
The company has said it will have 4 million doses available upon authorization, and can deliver 20 million doses by the end of March. Johnson & Johnson has promised the U.S. government 100 million doses by the end of June.
Read more: https://www.politico.com/news/2021/02/27/fda-authorizes-johnson-johnson-vaccine-471837
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