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26 Feb 2020 . Wearing a mask won't protect the average person from the coronavirus as well as . lunar new year hong kong china masks wuhan coronavirus.
2 Mar 2020 . Surgical face masks and N95 respirators, which filter viruses from the air with up to . When worn properly, these respirator masks get very hot inside and are very . An inferior mask made of fabric, paper or plastic, or a dust or allergy mask is . Pitta masks are made of porous sponge material, with no filter .
15 Mar 2020 . They are single-use face masks, surgical masks, and respirators. . very thin are typically only effective at capturing larger dust particles, but can do . For respirator masks, China uses the KN standard e.g. KN95 and the US .
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