Home Videos Pfizer Says Covid Pill 89 Percent Effective As Omicron Variant Spreads Pfizer Says Covid Pill 89 Percent Effective As Omicron Variant Spreads Dec 14, 2021 comments off Tweet on Twitter Share on Facebook Pinterest This is my first link This is my second link This is my third link Breaking News evening news Health International News Lester Holt Making A Difference National News NBC Nightly News news nightly news politics U.S. News world news