Massachusetts December 15, 2021 5:42 pm Boston Doctor Says Omicron Variant Underscores Importance of 3 Shots Dr. Paul Sax, a professor of medicine at Brigham and Women’s Hospital and Harvard Medical School, joined NBC10 Boston Wednesday to talk concerns about the omicron COVID variant. US & World Videos 14:31 @Issue extra: Seth Moulton on pro-Palestinian protests, TikTok and more 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 1:17 Patriots player visits Franciscan Children's Hospital 5:54 Pro-Palestinian protest taking over college campuses 2:47 AI pharmacist? Brigham testing new tech to assist docs, pharmacists