Home Videos Pfizer Says Covid Vaccine Nearly 91 Percent Effective In Kids Ages 5 to 11 Pfizer Says Covid Vaccine Nearly 91 Percent Effective In Kids Ages 5 to 11 Oct 22, 2021 comments off Tweet on Twitter Share on Facebook Pinterest 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