vaccine March 8, 2023 8:52 pm UConn Health Study of How Long Vaccine Immunity Lasts A study of hospital workers found those who received an MRNA vaccine and had either contracted covid previously or had significant side effects to the shot, had a more robust antibody response. US & World Videos 1:43 How to tell if it's COVID, flu or fall allergies and what to do 1:59 New COVID-19 vaccines, free tests available as cases rise 1:31 CDC recommends updated Covid shot for everyone ages 6 months and up 1:33 People weigh updated COVID-19 boosters as FDA potential approval nears 2:26 COVID-19 Public Health Emergency Ends in Connecticut
