Homemade masks: Study tests various fabrics


A new study demonstrates that the fabrics typically used in homemade face masks effectively block droplets that could contain SARS-CoV-2.
New research has found that the typical materials in homemade facemasks effectively block droplets that may carry SARS-CoV-2.
The research reinforces current studies on the efficacy of homemade face masks for blocking aerosols that could transmit SARS-CoV-2. Until scientists produce an effective vaccine, researchers recommend that various behavioral changes are key to reducing the spread of SARS-CoV-2.
As well as maintaining physical distance from others and regularly washing hands, the Centers for Disease Control and Prevention (CDC) and World Health Organization (WHO) recommend people wear masks.
Mask-wearing is important as SARS-CoV-2 is spread by people projecting saliva and other respiratory liquids when they speak, cough, or sneeze.
This projected liquid potentially carries the virus, which another person can pick up if they touch a surface that it lands on, or if people directly inhale the liquid. This liquid can expel as either droplets or an aerosol, and scientists believe that both can transmit the virus. Aerosols are tiny particles that can hang in the air, potentially traveling many meters, whereas droplets are larger and fall to the floor more rapidly. Experts say people can reduce this type of transmission by wearing masks.

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