advising parents especially on covid and what to do? >> i certainly think they're doing a better job. i think we could always improve. i think some of the guidance last week was broadly pretty confusing. i think there's widespread agreement maybe that messaging was not ideal. i also think they haven't been very clear with parents and they haven't done a good job differentiating between unvaccinated adults and unvaccinated kids with biden making clear that unvaccinated kids are low risk, not that we shouldn't hope vaccines or we shouldn't vaccinate them when we have access to it but it is a somewhat different risk profile than, say, an unvaccinated 85 year old. i wish the cdc was doing more to help parents navigate the complicated tweets in this difficult time. >> emily, has the delta variant changed your thinking at all? the reason that i ask is because louisiana is a mess right now. in fact, one of the doctors at, i believe, the largest hospital there is saying that they're