How Two Hairstylists Changed Our Mask Policy

Two hairstylists with COVID-19 continued to see clients at a Missouri beauty salon. Masks were used and no one else developed symptoms, but does this prove that the masks were the reason why?

STORY AT-A-GLANCE

• The U.S. Centers for Disease Control and Prevention provides more than 15 observational studies as their basis for recommending face masks

• The CDC focused, in particular, on one of the studies — an observational cohort study of two hairstylists at a Missouri beauty salon who tested positive for COVID-19

• The two stylists developed respirat…