emerges first in columbia. there is a higher number of cases than we do in the united states. right now is about. 0.2% of the cases. they are going down, not up, but they are being replaced by the delta variant. right now here and now the delta variant is the most eminent threat. as lodge as we people not vaccinated around the globe we just have more and more opportunity for the virus to mutate and replicate. so whether or not it is the new variant or something we have not identified we have a threat of something that could escape immunity. you said it best, our current vaccines work and i think what i want people to understand is don't look at the variants as a sign that it is not working. do the opposite. get people vaccinated so we can create our defensive strategy to prevent that inevitable variant