Medical masks (also known as surgical masks)
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These are made from a minimum of three layers of synthetic nonwoven materials, and configured to have filtration layers sandwiched in the middle. These masks are available in different thicknesses, have various levels of fluid-resistance and two levels of filtration.
These medical masks reduce the respiratory droplets from the wearer to others and to the environment.
They also prevent transmission of the virus from others to the wearer.
The wearer should avoid touching the mask while it is on the face and the mask should be immediately discarded if it becomes moist.
Importantly,
wearing a mask must be combined with other preventive measures including performing frequent hand hygiene and physical distancing of at least 1 metre.
They can be purchased commercially or handmade, and are generally not standardized like medical masks. There are numerous types of fabric masks, they should cover the nose, mouth, and chin and be secured with elastic loops or ties, include multiple layers, be washable and reusable.
Remember,
the use of a fabric mask alone is not sufficient to provide an adequate level of protection. Maintain a minimum physical distance of at least 1 metre from others, frequently clean your hands and continue to avoid touching your face and the mask.
More details information:
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