welcome back. experts have been saying it's going to take a few weeks and maybe even more than that until we know exactly how well our current covid vaccines will hold up against this new omicron variant. as we said at the top of the show, moderna's ceo certainly didn't calm anyone's nerves telling the financial times, quote, there is no world, i think, where the vaccine effectively is the same level. i think it's going to be a material drop. i just don't know how much because we need to wait for the data. but all the scientists i've talked to are like this is not going to be good. let's get right to our go-to guy when it comes to vaccines, dr. peter hotez, the director of the center for vaccine department at texas children's hospital and one of the foremost experts on vaccine effectiveness. dr. hotez, do you have the same sort of grim outlook that