the gentlewoman from california, mrs. barragan, followed by representative craig from minnesota. >> thank you, madam chairwoman. theng one usc school of medicin reporting that one out of every ten covid-19 patients at keckedicine of ucs is a long-hauler. for them, they say the statistis is pretty nationwide, about 10%g of covid-19 patients have thesee long-haul symptoms.hi atch keck, symptoms. at ccec, they say say most of ys them are between 20 and 40 years old, which is pretty remarkable when many of them are healthy. t is there any data or information we have about why maybe in southern california -- i don't t know how commonhan it is -- thao it's impacting younger people between 20 and 40 more than others? >> i can start with that, dr. collins. let me point to what's importanp to have in the backeo of your mind, the number of people infected with covid in this e country, the newest members of e peoplepr infected are in that a group, 18 to 39, so it's not a surprise necessarily that they would be it meroverrepresented i persons that are experiencing post-covid as well.. having said that, i think it still merits close attention because it is an unusual signals and i hope folks are, you know, going to