COVID Q&A November 30, 2021 11:07 am COVID Q&A: Top Boston Doctors Explain New Omicron Variant Three top Boston doctors explain what the new omicron variant is, whether it’s already in the U.S., what the symptoms are and if vaccines protect against it on the weekly “COVID Q&A” series. US & World Videos 2:43 ‘On the Dot' to redevelop stretch of Dorchester Avenue 1:49 Finalists in math competition hope their model helps ease housing crisis 14:31 @Issue extra: Seth Moulton on pro-Palestinian protests, TikTok and more 1:17 Patriots player visits Franciscan Children's Hospital 5:54 Pro-Palestinian protest taking over college campuses