mr. slaoui. it was that 20 million americans would be vaccinated.d of the promise that was made. listen to this. >> we will deliver 100 million doses of a safe vaccine before the end of the year and maybe quite a bit sooner than that. >> we expect to have approximately 40 million doses by the end of this year, so that would allow us to vaccinate 20 million people in december. >> overall in the month of december, between the two vaccines, the pfizer and the moderna vaccine, we expect to have immunized 20 million of our american people and keeping 20 million doses for their second immunization a few weeks later. >> oh, okay. i didn't even realize you were part of this. mr. slaoui, you said 20 million people. >> yes, obviously i did say that. >> yeah, he certainly did, as did others, including the president. i'm joined by rick bright. he's an immunologist, vaccine researcher who resigned from the trump administration last year as a whistle-blower. do you agree with the fda that changing the dosing or changing the scheduling in vaccines right now is pre