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On Saturday (February 27), the US Food and Drug Administration issued an emergency use authorization for Johnson & Johnson’s COVID-19 vaccine, the third to receive such approval in the US, and the first to require just a single injection.
According to the Associated Press, 4 million doses of the vaccine are expected to reach states by tomorrow (March 2). Johnson & Johnson plans to deliver a total of 20 million doses by the end of March and 100 million by the end of June.
The authorization comes after the company announced Phase 3 trials results showing that the vaccine is about 66 percent effective at preventing moderate to severe COVID-19 and 85 percent effective at preventing severe disease at 28 days after vaccination.
Although Johnson & Johnson’s vaccine is less effective than Moderna’s and Pfizer’s versions were in clinical trials, experts emphasize that it still provides ...
