Delta variant August 27, 2021 7:55 am Delta Variant May Still Impact Those Who Are Vaccinated There are still concerns over what the delta variant means for the vaccinated. 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