November 27, 2020 7:59 am COVID-19 Immunity: How Long Do Antibodies Last? COVID-19 patients develop a certain level of immunity after battling the virus, but new studies find it may not last long. US & World Videos 2:06 ‘I had to save my turtle': Man recounts losing apartment in fire but saving his turtles 0:52 NASA astronaut captures amazing view of the Northern Lights 2:54 Death confirmed in Palisades Fire 3:29 Special Air Mission 39 carries Jimmy Carter's remains to his Georgia hometown 1:02 What to know about NFL Wild Card weekend if the Rams can't play in Los Angeles