Johnson & Johnson’s Vaccine Works Well and May Curb Virus Spread

The newly released documents, which include the F.D.A.’s first technical analysis of the company’s 45,000-person clinical trial, presented evidence that the vaccine was safe, with noticeably milder side effects than the Pfizer and Moderna vaccines and without any reports of severe allergic reactions like anaphylaxis. The vaccine’s protection was consistent across Black, Hispanic and white…

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