Since August 2021, over 10 million Americans have received third doses of a COVID-19 vaccine - most of them booster shots of Pfizer s vaccine. These recipients include about 6.7 million seniors.
Officials administered more than 1 million Covid vaccines in 24 hours - highest since July 3 dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.