Pfizer Asks F.D.A. to Authorize Covid Pill For High-Risk Unvaccinated People November 17, 2021 Auto Bot Coronavirus (2019-nCoV), Food and Drug Administration, Pfizer Inc, Regulation and Deregulation of Industry, United States 0 . The request is for use in unvaccinated, high risk patients. But the regulator could authorize it for broader use.