eight, nine, ten days into the course, whereas early on it gives you much more predictive of weahether you are enficktiver transmissable. >> here's what i'm dr. fauci, here is what i am not hearing you say. it has nothing to do with test scarcity. >> right. oh, i said that. i said it three times, michael. sorry. it has nothing to do with a lack of testst. that is not the reason why. i am sorry. i said that multiple times. that is not the reason. >> okay. so -- >> if anyone says we are not doing testing because there is a shortage of tests, that's absolutely -- >> that's not true. >> that's not the case. >> okay. something i did hear you say -- and correct me if i'm wrong -- is that there was a consideration of economic cost. i am not saying that in a pejorative sense.