A soon to be published study provides evidence that wearing a face mask not only reduces community transmission, but also reduces the viral load and severity of symptoms if a person becomes infected.
If we want schools to remain open this winter, we can increase the chances of that happening by asking children and teachers to wear masks. A simple measure that will help protect others and protect ourselves.
Paper here:
ucsf.app.box.com/s/blvolkp5z0mydzd82rjks4wyleagt036