After the CDC announced on Dec. 27 that it was slashing the isolation time for people who test positive for COVID-19, European governments scrambled to follow its lead. But the new guidelines are triggering alarm among European health officials, who question whether they are justified or wise.
Delta variant s rise plunges Europe into uncertainty — and offers a warning to the U S 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.