Pfizer asks US officials to OK promising covid-19 pill

  • This image provided by Pfizer shows its covid-19 pills. Drugmaker Pfizer said Tuesday it is submitting its experimental pill for U.S. authorization, setting the stage for a likely launch in coming weeks. (COURTESY OF PFIZER)
    This image provided by Pfizer shows its covid-19 pills. Drugmaker Pfizer said Tuesday it is submitting its experimental pill for U.S. authorization, setting the stage for a likely launch in coming weeks. (COURTESY OF PFIZER)

    WASHINGTON — Pfizer asked U.S. regulators Tuesday to authorize its experimental pill for covid-19, setting the stage for a likely launch this winter of a promising treatment that can be taken at home.