i think our true delta wave is going to start to build in the northeast in the northern part of the country. this is going to be a highly regionalized epidemic. i do think labor day and the return to school are going to be incubators. i don't think we're done with this. i hope we are, but i don't think we can conclude that just because the cases are coming down from the mini surge we saw over the summer. >> that was fda commissioner dr. scott gottlieb warning the northeast will see another jump in covid cases related to the delta variant. the booster shots will likely be ready by the 20th, but a third moderna choice might have to wait. >> we were hoping we would get both the candidates, both products, moderna and pfizer, rolled out by the week of the 20th.