Masks prevented major coronavirus outbreak at hair salon: study

Two US hair stylists who wore masks while infected with the coronavirus did not pass on COVID-19 to nearly 140 clients they saw over the course of several days, a study said Tuesday. The Centers for Disease Control and Prevention, which released the report, said the findings added weight to universal face covering policies as a means of slowing the spread of the SARS-CoV-2 virus. On May 12, a hair stylist (stylist A) developed respiratory symptoms at a salon in Springfield, Missouri and continued working with clients until May 20, when she received a positive test for the new coronavirus.

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