2020 DOI: 10.20944/preprints202009.0320.v1 View full text Preprint
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Yijun Yuan

Abstract: Reciprocal Personal/Public Protection (RPPP) featured with source control is introduced, Facepiece Discriminating Mouth and Nose (FDMN) is employed to serve the purpose, which includes polymer based mouth cover with optional nose cover. The new knowledge that mouth is a primary, active and dominant source of the virus has been well established, which is the base of FDMN. Source classification and related source control tools are discussed, mouth cover is recommended as the tool prioritized to use. Liquid dropl…

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