Massachusetts December 28, 2021 11:32 pm Looking at the CDC's New COVID Guidance The CDC has updated its guidance for isolation and quarantine periods, but a UMass Dartmouth professor questions why that time frame should not end with a negative test result. US & World Videos 6:19 Police surround pro-Palestinian encampment at MIT 5:12 Karen Read's defense pushes the question of credibility 2:58 Karen Read trial: Defense accuses prosecution witness of perjury 2:24 Gov. Maura Healey reacts to Steward bankruptcy filing 9:57 Week 2 of the Karen Read trial resumes Monday
