CHUCK TODD:
Well, let's talk about a specific here. We know Mississippi's one of the lowest, I believe it has the lowest vaccinated rate in the country. If you were in Biloxi, Mississippi right now, Doctor Fauci, would you be wearing a mask? You're fully vaccinated. But would you be wearing a mask in Biloxi, Mississippi?
DR. ANTHONY FAUCI:
I think there would be good reason to do that. I mean, because as we've said so often, that vaccines are not, even as good as they are and highly effective, nothing is 100%. And if you put yourself in an environment in which you have a high level of viral dynamics and a very low level of vaccine, you might want to go the extra step and say, "When I'm in that area where there's a considerable degree of viral circulation, I might want to go the extra mile to be cautious enough to make sure that I get the extra added level of protection. Even though the vaccines themselves are highly effective."