medicine fellow, and dr. f. perry wilson, at yale school of medicine. great to have you both here. we appreciate it. dr. wilson, i was reading a tweet of yours, it's interesting, you said -- you write when does pandemic end, and you say i think ending isolation requirements for those affected with covid is a necessary and sufficient requirement to declare the end of the pandemic, to be clear, we can't do this yet but it might not be far off. >> exactly. people are feeling, especially vaks na vaccinated and boosted and relatively healthy. if you test positive you know you're going to do well, but it ruins your plans. that's a bad thing. that creates a bad incentive for people who are essentially doing all the right things during this pandemic. for it to feel like the pandemic is over, two things are going to have to happen. we're going to have to say, you know what, if you get covid, you can go back into the world just like any other respiratory