Known global COVID-19 infections surpasses 200 million; Vaccination reduces risk of Delta symptoms by 60%, study finds
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Moderna says its vaccine remains effective after six months; number of breakthrough cases in Mass nears 8,000
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.
Moderna says its vaccine remains effective after six months; number of breakthrough cases in Mass nears 8,000
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.