Covid: USA, the Fda authorizes the single-dose vaccine of J

(ANSA) - WASHINGTON, February 27 - The US Food and Drug Administration (Fda) has authorized the emergency use of Johnson & Johnson's single-dose vaccine. It is the third vaccine approved in USA after those of Pfizer-BioNTech and Moderna.

    J&J has promised to provide the United States with 100 million doses of its vaccine by the end of June. These will add to the 600 million doses Pfizer-BioNTech and Moderna have committed to by the end of July. Overall, there would be enough doses to cover every adult American.

    The Johnson & Johnson vaccine has been shown to be 72% effective in clinical trials in the US. (HANDLE).