Are Face Masks Effective at Preventing SARS-CoV-2
The simple answer is… No. At least not for the general public who do not have symptoms of COVID-19-like illness. Cloth masks have been used in US healthcare settings starting in the late 1800s. It came from the realization that surgical wounds need protection from the droplets released in the breath of surgeons. The technology was later applied outside the operating room in an effort to control the spread of infectious epidemics. In the 1918 influenza pandemic, masks were available … Continue reading →