coronavirus vaccine January 4, 2021 11:18 am Hartford HealthCare Administers Second Dose of Pfizer COVID Vaccine to Health Care Workers Three weeks after administering the first doses, Hartford HealthCare administered the second doses of the COVID vaccine to some of its health care workers. US & World Videos 1:33 Nighttime forecast for April 28 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 1:50 Eastford church persevering one year after fire destroyed historic building 2:52 Connecticut's only all-women's tackle football team wins first game of the season