coronavirus March 29, 2021 6:12 pm Baker Announces Results From Pool Testing at Mass. Schools Pool testing at Massachusetts schools found COVID-19 positivity rates of 0.76%, according to the administration of Gov. Charlie Baker. US & World Videos 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 2:33 Karen Read trial resumes Monday 2:07 Steward Health Care files for bankruptcy