The population around you is unvaccinated, i think it can be sensible, particularly if you're immunocompromised or an older individual, it's sense to believe wear a mask in those settings. in terms of more formal mask mandates, i think they're important tools for preventing infection. we do need to be very careful on how they are applied. they can discourage the unvaccinated from getting vaccinated if they don't see the benefits. my worry is we're no longer producing the data that can help local public health officials make these decisions. florida, as we mentioned before, has one fifth of the...