Johnson & Johnson Single-Shot COVID-19 Vaccine
In clinical studies, the J&J/Janssen COVID-19 vaccine was 66.3 percent effective at preventing laboratory-confirmed COVID-19 infection in people who received the vaccine and had no evidence of prior infection (efficacy). The best protection was obtained two weeks following vaccination.
In clinical trials, the vaccination was found to have a high efficacy in averting hospitalization and mortality in patients who did become ill.
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Manufacturer: Janssen Pharmaceuticals Companies of Johnson & Johnson
Number of Shots: 1 shot may be given in some situations.
Type of Vaccine: Viral Vector