Coronavirus September 23, 2021 7:20 pm Boston Medical Director Back in Town After Working in Hawaii Dr. Jennifer Lo, medical director of the Boston Public Health Commission, is back in Massachusetts after working in Hawaii for nearly a year. US & World Videos 1:40 Heavy police presence near on-campus protests 4:17 Police presence grows at pro-Palestinian encampment at Northeastern 5:39 Billerica police sergeant hit and killed by excavator during construction detail 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 2:37 Quincy detective resigns amid allegations of ‘unwelcome, sexually explicit conduct'