The shot made by Pfizer Inc. and BioNTech SE was overwhelmingly effective against the virus in a study, prompting experts to say that immunizations can end the pandemic. Johnson & Johnson’s Covid-19 vaccine is safe and effective, U.S. regulators said, a milestone toward giving Americans the first shot to work in a single dose.
Fauci Hints at Relaxed Rules; U K Airlines Soar: Virus Update msn.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from msn.com Daily Mail and Mail on Sunday newspapers.