Face mask trial didn’t stop coronavirus spread, but it shows why more mask-wearing is needed
LA TimesCommuters wear face masks at Union Station in Los Angeles. “The results of this trial should motivate widespread mask wearing to protect our communities and thereby ourselves.” It’s not as if there’s no reason to believe masks can prevent the spread of COVID-19. “Use of face masks has emerged as a powerful tool to reduce the health and economic harms of the pandemic,” Dr. Thomas Frieden, a former CDC director who now leads the nonprofit health initiative Resolve to Save Lives, and his colleague Dr. Shama Cash-Goldwasser wrote in a commentary that accompanied the study. Only 46% of volunteers in the mask group told the researchers they followed all the rules about wearing masks in public, 47% said they “predominantly” wore their masks, and 7% said they didn’t follow the rules. In other words, the journal editors noted, “the study examined the effect of recommending mask use, not the effect of actually wearing them.” There’s also the possibility that people who wore masks felt a false sense of security and let down their guard in other ways that increased their risk of infection.