Coronavirus April 7, 2020 10:04 pm Doctor Back to Work After Recovering From Coronavirus As Massachusetts hospitals prepare for a surge in COVID-19 cases this week, a Tufts Medical Center Dr. Alex Friedman is back to help deal with the crisis. US & World Videos 1:39 Lawrence police cracking down on illegal dirt bikes 1:31 CDC recommends updated Covid shot for everyone ages 6 months and up 2:30 Putting an increase in COVID cases into context 1:41 COVID cluster prompts masking at Beth Israel Deaconess Medical Center 0:50 COVID cluster at hospital prompts return of mask requirement in affected unit