Vaccinated adults. we can't be exposing them to unvaccinated adults likely to transmit the virus to them. >> okay. dr. klein, talk through some of this, because a lot of what you just said is pretty troubling i think for parents of young children. me being one of them. i have a 3-year-old obviously not eligible. my 5-year-old is, in fact, vaccinated. talk about protecting the kids under 5 surrounding them by vaccinated adults. how bad is it for the children that you're seeing in the hospital right now? is it comparable to what you were seeing with delta? the symptoms they are experiencing, and...