What type of #mask should be used in #COVID19?

People are currently using three main types of #facemask:
>Surgical mask
>Respirators, like N95 or FFP2
>Cloth face coverings

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@MoHFW_INDIA @CSIR_IND @WHO
#IndiaFightsCOVID19
A surgical mask is a loose-fitting disposable mask that protects the wearer's nose and mouth from contact with droplets, splashes and sprays that may contain germs. Surgical masks may protect others by reducing exposure to the saliva and respiratory secretions of the mask wearer.
A respirator prevents the wearer from inhaling aerosols (dust, smoke, mist), vapours or gases & also filter pathogens in the air. Respirators are divided into two categories: Insulating and Filtering.
Filtering respirators consist of a facepiece and a filtering device.
Some N95 masks & even some cloth masks have one-way valves that make them easier to breathe through. But because the valve releases unfiltered air when the wearer breathes out, this type of mask doesn't prevent the wearer from spreading the virus. So, better to avoid them!!
While surgical & N95 masks are in short supply, cloth masks are easy to find and can be washed. Asking everyone to wear cloth masks can help reduce the spread of the coronavirus by people who have COVID19 but don't realize it. Cloth masks should include multiple layers of fabric.
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