A new CDC report highlights how improving the fit of your mask can help slow the spread of COVID-19. In lab tests with dummies, exposure to potentially infectious aerosols decreased by about 95% when they both wore tightly fitted masks. Wearing a mask that fits tightly to your face can help limit spread of the virus that causes COVID-19. With the emergence of new variants, wearing a mask is more important than ever. Learn more: bit.ly/MMWR21021.
