coronavirus vaccine January 21, 2021 5:00 pm Health Experts Stress Importance of COVID-19 Vaccinations Health experts say the U.S. needs to vaccinate about 80% of people in order to reach herd immunity. US & World Videos 2:35 More pro-Palestinian protests take place in Conn., including on college campuses 1:33 Nighttime forecast for April 28 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 2:45 First all-women's tackle football team in Conn. takes the field