The WHO & US CDC recommend individuals wear non-medical face coverings in public settings where there is an increased risk of transmission and where social distancing measures are difficult to maintain. This recommendation is meant to reduce the spread of disease by asymptomatic and pre-symptomatic and is complementary to established preventive measures such as social distancing.
Face coverings limit the volume and travel distance of expiratory droplets dispersed when talking, breathing and coughing.
Masks are also strongly recommended for those who may have been and those taking care off someone who may have the disease. When not wearing the mask, the CDC recommends covering the mouth and nose with a tissue when coughing or sneezing and recommends using inside of the elbow if no tissue is available. Proper hand hygiene after any cough or sneeze is encouraged. Healthcare professionals interacting directly with people who have COVID-19 are advised to utilize respirators at least as protective as NIOSH-certified N95 or equivalent, in addition to other protective equipment.
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