Cloth facemask
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A cloth facemask covers the mouth and nose. These masks are made of textiles. Cotton is used often. It can be used to protect against air pollution, but they do not work well.[1][2][3]
Cloth facemasks may stop some droplets of liquid. Today, medical doctors use respirators, which work well. A scientific paper done in 2010 said 40 to 90 percent of dust goes by a cloth facemask.[4]
Cloth face masks were used a lot in the COVID-19 pandemic, when surgical and other face covers could not be gotten.[5][6]
A N95 should be used to stop viruses and bacteria like tuberculosis.[7]
References
[change | change source]- ↑ "Use Cloth Face Coverings to Help Slow Spread | CDC". 2020-04-04. Archived from the original on 2020-04-04. Retrieved 2020-10-29.
- ↑ Garrison, Fielding Hudson (1921). An introduction to the history of medicine, with medical chronology, suggestions for study and bibliographic data. Gerstein - University of Toronto. Philadelphia W.B. Saunders.
- ↑ Peltier, Richard E. "Millions rely on cheap cloth masks that may provide little protection against deadly air pollution". The Conversation. Retrieved 2020-10-29.
- ↑ Rengasamy, Samy; Eimer, Benjamin; Shaffer, Ronald E. (October 2010). "Simple respiratory protection--evaluation of the filtration performance of cloth masks and common fabric materials against 20-1000 nm size particles". The Annals of Occupational Hygiene. 54 (7): 789–798. doi:10.1093/annhyg/meq044. ISSN 1475-3162. PMC 7314261. PMID 20584862.
- ↑ Bhattacharjee, Shovon; Bahl, Prateek; Chughtai, Abrar Ahmad; MacIntyre, C. Raina (2020-09-01). "Last-resort strategies during mask shortages: optimal design features of cloth masks and decontamination of disposable masks during the COVID-19 pandemic". BMJ Open Respiratory Research. 7 (1): e000698. doi:10.1136/bmjresp-2020-000698. ISSN 2052-4439. PMC 7484883. PMID 32913005.
- ↑ "Can face masks protect against the coronavirus?". Mayo Clinic. Retrieved 2020-10-29.
- ↑ "DEPARTMENT OF HEALTH AND HUMAN SERVICES Public Health Service 42 CFR Part 84" (PDF). US Federal Register. pp. 26850-26893. Retrieved 2024-05-08.