J&J Covid Vaccine Found Effective by FDA Before Panel Meets (3)

Johnson & Johnson’s Covid-19 vaccine is safe and effective, U.S. regulators said, a key milestone on the path toward giving Americans access to the first such shot to work in a single dose.

The vaccine was 72% effective in the U.S.-based portion of a global study that enrolled more than 43,000 people, Food and Drug Administration staff wrote in a document that summarized the company’s results and confirmed findings J&J released earlier this month.

The shot was highly effective against severe disease in all regions where it was tested and worked better against mutant coronavirus strains than previously reported, ...