Yorker" covid is mutating faster than even the dominant flu strain. the comment is infections will occur every five years or so. by that, that means many of us could get covid ten times or more in our lifetimes. do you think that's an accurate guess, project? what do you think? >> i think he or she said it very well. it's really just a guess. you really can't tell. obviously if you ask questions i can give you a more firm question, we're not going to eradicate one virus. wife owned eradicated one, smallpox, and that doesn't change very well. you get immunity that lasts for dec decades, if not ...