testing for travel. it is a place where they can be exposed, and i think it's very risky. but the challenge is finding testing sites, and i think that's why e.r.s have kind of dealt with these additional challenges of patients who just need testing. >> the administration has been more clear this week about the testing failure for this country, and they're trying to do something about it, ordering half a billion tests, but i wonder what your message is to the federal government right now. is that the number-one thing that you guys need, is just more tests? or is there something else that would be most helpful at this point? >> i think more tests absolutely is really important. in addition to that, vaccine mandates. i think the more people who can get vaccinated, the more protection there will be. ultimately, i'd love to see children under 5 being vaccinated. i know there are trials going on now for that. in the meantime, the best way to