safe, they are free and they will save your life. >> so there you have the vice president echoing your point about the boosters. i want to get your thoughts on -- i think you alluded to this in your initial answer, about the travel restrictions that are being put in place, you have african nations now saying that they're being unfairly punished over the new variant. are the travel bans an overreaction, do you think? >> i do, but i'll also say as a former policy person, what else can you do? and that becomes the answer unfortunately to a really bad question. i completely agree. i'm glad we have this greek naming system. it is so much better than what we were seeing before. south african variant. the only reason we know this was in south africa is because let's be candid, they're much better about global viral surveillance than almost any other country including the united states. we're penalizing the people that are doing the job that frankly i wish we could do. but if we had done a better job