Massachusetts December 27, 2021 5:22 pm CDC Recommends Shorter COVID Isolation, Quarantine Times U.S. health officials cut isolation restrictions from Americans who catch COVID-19 from 10 to five days. US & World Videos 2:07 Campus tensions continue to escalate in Boston 2:04 Newton dentist office aiming to keep kids comfortable 2:08 Tension grows over campus protests in Boston 1:53 Opening statements begin in the Karen Read trial 2:31 Fallen Billerica Police Sgt. Ian Taylor honored at vigil