Why masks work

The CDC (Centers for Diseases Control and Prevention) strongly recommends wearing masks to control the spread of the coronavirus. While many Americans object to wearing masks, experts say masks are necessary and effective.

They act as a physical barrier stopping the spread of the respiratory droplets that contain the Sars-Cov-2 droplets. Sars-Cov-2 is the virus that causes COVID-19, and it mainly travels through respiratory droplets.

study showed that the number of coronavirus cases significantly reduced in a Boston hospital due to their mask-wearing policy.