CNN CNN Newsroom Live August 8, 2021 08:15:00
First instance. but that is a big clue towards how quickly things can change and how our progress made so far isn't permanent. >> i'm youcurious, is the delta variant itself teaching us anything more about how one models or predicts how disease is spread or is the lesson here basically just a humbling reminder that there is really just so much we really don't know? >> absolutely. i think the modelling itself in the uk revealed that there is so much uncertainty and that that should be a humbling experience, that we should be prepared with contingency plans for worst case scenarios. while also e...