so really the president is navigating the same thing that a lot of americans are. that is at this virus spreads, you get more and more people around you testing positive so he is going to continually be tested. but as of now, he's in good health. has no symptoms as of now. >> mike, one last question. you've been as clear eyed about this pandemic as anybody in the medical community. what's your right now as we head a few days into christmas, what's your big headline message to america about what it should be doing, shouldn't be doing, what it should be fearing and what it shouldn't be fearing? >> well, i think if i could kind of paraphrase something you said, donna, basically the country's over with this pandemic. the problem is the virus isn't over with us. it will find you. even those who are partially vaccinated, what one time would have been at least some protection against the virus will likely yield little protection against this one unless you have your full three