the so what do you attribute this rise to? >> yeah. so, first of all, it's interesting to sort of say, like, what makes a virus more severe? does it sort of attach to more receptors? does it cause some other problem with different organ systems? and when you start to look at that data which we have, you can't say the delta variant is doing something differently than the variants before it. what it seems to really be a problem, more than anything else, is just that this is a far more contagious virus. it sort of outruns the other viruses out there. it'll go, it'll stick to these receptors. it may stick longer. it may spread more easily if someone does have the virus in their own body. all those things. doesn't necessarily cause more severe disease. but it gets back to just the statistics of it. more and more people, even if 98% of them when it comes to kids are not going to get that sick or severely sick if you have thousands and thousands, hundreds of thousands of people who are in the hospital, a