Johnson & Johnson single-dose COVID-19 vaccine protects against virus
Johnson & Johnson single-dose COVID-19 vaccine protects against virus WPVI Share: PHILADELPHIA (WPVI) -- Studies show the Johnson & Johnson vaccine is safe and 86% effective in preventing severe complications from COVID-19. On Friday, an FDA advisory committee will review those findings and decide if it will grant emergency use authorization. The one-dose Johnson & Johnson vaccine could arrive in the Philadelphia area by the beginning of March, officials said. Two million doses are ready to ship nationwide next week pending FDA emergency use approval, and 20 million doses could be nationally ...