Boston Public Schools February 11, 2022 5:07 am Boston Teachers Union Reaches Agreement on Vaccine Mandate The agreement would allow unvaccinated teachers to continue working during periods of low virus transmission, if they submit two negative COVID tests. US & World Videos 2:09 President of MIT calls for shutting down pro-Palestinian encampments 1:00 Three dead in apparent murder-suicide in Lowell 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 2:50 Community mourns Billerica police sergeant killed on duty