Two Masks – Better Than One

Studies show double-masking reduces COVID transmission by 95%

Two Masks

A recent report by the CDC (Centres for Disease Control and Prevention) found that maximizing the fit of cloth and medical masks, and double-masking substantially improved the transmission and exposure to COVID-19. Double masking refers to fitting a cloth mask over a medical procedure mask.

Fit masks correctly, such as knotting the ear loops, tucking in and flattening any extra material close to the face to improve source control and reduce wearer exposure. In experimental simulations, the CDC found that double-masking decreased aerosol particle transmission by up to 95 per cent at a six-foot radius.

When choosing a mask, have two or more layers of washable, breathable fabric, ensure the mask completely covers both nose and mouth and fits under the chin (masks worn beneath the nose, or worse yet, beneath the chin, are useless!), has a nose wire to prevent air from leaking out over the top, and adjusts to fit the sides of your face without gaps. Scarves, ski masks and balaclavas are not substitutes for masks but should be worn over your mask.

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