CNN Don Lemon Tonight February 18, 2022 04:27:00
Tonight a new study showing an omicron sub variant known as ba2 spreads faster and may cause more severe disease than omicron, itself. let's get some guidance on this from cnn medical analyst dr. jonathan reiner. good evening. tell me it isn't so. tell me it isn't so. >> i'm not sure there is really much data to suggest it is more severe than omicron. i think what the data does show is that it's probably clearly a more transmissible. >> 40% more contagious they say. it has been detected in 74 countries, 47 u.s. states. it may also cause more severe symptoms than the older variants but you said...