Headline: Proven sciencePublication Date: Wednesday, December 8, 2021Primary Source: Fountain Hills Times (AZ)Non-Cato Author: Rich RutkowskiType: letterFormat: Newspaper (Print)Nature of Mention: citedScholar: CatoResearch Area: Health, Welfare & EntitlementsSubjects: the efficacy of masksAttached Files: Cato_fhtimes_masks.pdf