CNN The Lead With Jake Tapper November 29, 2021 21:08:00
Protection from vaccines. the question is when you put them all together, does it -- do they add up or does it turn into something else entirely? that's what they don't know right now. so big question still is it more transmi transmissible? certainly appears to be does it cause more severe disease? we dont know that yet. and also this last line, jake if you've been infected before, you have an infection-acquired immunity, how protective is that? there may be some evidence from south africa that it's not as protective. that's something they'll pay attention to. >> all questions, not answers, at...