at a quarter of the population. there is a chunk of those people, right, who may never get the vaccine. and so to your point on messaging almost, dr. kahn, does it seem like there is this focus and push on the booster, oh, my goodness, the white house saying, everybody can get it on september 20th because that's a positive that they can focus on, versus these millions of people who have decided they're never going to get the shot. we've seen every incentive under the book now some disincentives, there are a lot of people who just aren't going to get it. that's the reality and that headline isn't as pretty. >> right. but i don't think we've sort of maxed out the incentives and disincentives that can be put in place to get people vaccinated. for example, we can do a tax credit for people unvaccinated that decreases every month until december. i mean, we know the economists are really good at this. we know incentives work and we know there's other disincentives that do work. for example, mandatory vaccine policy. so if we want this outbreak to get better and our lives to go