Preprint Concept Paper Version 1 Preserved in Portico This version is not peer-reviewed

Reciprocal Personal/Public Protection for COVID-19 with Mask Discriminating Mouth and Nose

Version 1 : Received: 11 September 2020 / Approved: 14 September 2020 / Online: 14 September 2020 (11:45:27 CEST)

How to cite: Yuan, Y. Reciprocal Personal/Public Protection for COVID-19 with Mask Discriminating Mouth and Nose. Preprints 2020, 2020090320 (doi: 10.20944/preprints202009.0320.v1). Yuan, Y. Reciprocal Personal/Public Protection for COVID-19 with Mask Discriminating Mouth and Nose. Preprints 2020, 2020090320 (doi: 10.20944/preprints202009.0320.v1).

Abstract

Reciprocal Personal/Public Protection (RPPP) featured with source control is introduced, Mask Discriminating Mouth and Nose (MDMN) 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 MDMN. Source classification and related source control tools are discussed, mouth cover is recommended as the tool prioritized to use. Liquid droplets is identified as a hard issue related to mask, liquid droplets, mask fitting, comfort and facial recognition constitute real challenges of mask in addition to efficiency, All of these have been addressed with MDMN. Comparisons between MDMN and masks/face covering are taken on four aspects: efficiency and efficacy, tolerance and comfort, cost and waste, and civil rights and public interest. Mouth cover is recommended to replace the face covering and act as both a personal tool and a public utensil, mouth cover with nose cover can provide better protection than N95 etc. RPPP with MDMN, could be an alternative for lockdown, a parallel strategy to vaccine, and a collectively living way during the pandemic era. MDMN, featured with high efficiency protection, high degree comfort, easy wearing, tight-fitting, easy facial recognition & communication, reusability, cost-effective, environment friendly and scale manufacturing more readily and widely etc., is a simple and sustainable solution, which is essential for ordinary people to keep wearing it properly for protection.

Subject Areas

reciprocal personal/public protection; mask discriminating mouth and nose; mouth cover; mask; face covering; source control; source classification; Covid-19; active source; liquid droplets

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