A growing body of scientific evidence suggests that face masks can protect against COVID-19. There is, however, limited rigorous evidence on the extent to which mask-wearing is effective in reducing COVID-19 in a real-life situation with imperfect and inconsistent mask use. In Bangladesh, researchers...
Source: poverty-action.org
"The importance of airborne transmission in the pandemic was clear long before the World Health Organization finally began to acknowledge it." "If the importance of aerosol transmission had been accepted early, we would have been told from the beginning that it was much safer outdoors, where these small...
Source: nytimes.com
"Facial Masking for Covid-19 — Potential for “Variolation” as We Await a Vaccine | NEJM: Facial Masking for Covid-19 Increasing the proportion of SARS-CoV-2 infections that are asymptomatic with the simple public health measure of universal masking might reduce the severity of disease and ensure...
Source: nejm.org