Can universal facial masking reduce Covid-19 disease severity through “variolation”? NEJM commentary proposes a hypothesis that suggests further investigation.

Medical Mythbusting Commentary for September 15, 2020

Source:
Face masks could be giving people Covid-19 immunity, researchers suggest

Reference:
Facial Masking for Covid-19 — Potential for “Variolation” as We Await a Vaccine

Bitnami