Coronavirus December 8, 2020 5:03 pm One Step Closer: FDA Set to Approve COVID-19 Vaccine FDA review of data found Pfizer’s vaccine is safe and effective at preventing symptomatic coronavirus infection. 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