even though they're not guarantees, should dr. fauci stop making predictions like you'll have this before halloween or whatever because it seems so imprecise? >> well, we'll see how this plays out. the fda's vaccine advisory committee will meet tomorrow. a day-long discussion. then it will take a couple of days for the fda to accept or not accept what our advice is and then it goes to the cdc which is the recommending body on november 2nd and 3rd. so pretty close. i think he was -- if this all works out that it is recommended, he was close. but again, i would caution that we need to see how tomorrow's fda vaccine advisory meeting plays out. >> moderna just released its own data on kids 6 to 11 saying their dose produced a, quote, robust immune response. data we should note has not been peer reviewed yet but how promising do you find this initial information? >> i'm where you are on this. science by press release. what i would love to see and we'll see at the fda vaccine