CNN Don Lemon Tonight December 18, 2021 03:08:00
Robert. the chair of the university of california san francisco department of medicine. doctor, thank you so much for joining us. let get the questions out and educate the folks who are watching. good evening to you. you have seen this new u.k. study that shows omicron shows noless disease than delta. many are thinking it's milder but what are the larger implications here? what do you think of the study and what should people know? >> there are other studies from south africa that are more hopeful. you know, a week or two ago we didn't know any of the three variables, is it more infectious and...