Citat:
Ursprungligen postat av
Asmodeusvult
Kan du vara hygglig och länka till en åtta-tio stycken av dessa som du anser håller hög standard?
Börjar bli tröttsamt eftersom dessa har postats hur många gånger som helst i tråden, men här är några av studierna.
https://annals.org/aim/fullarticle/2764367/effectiveness-surgical-cotton-masks-blocking-sars-cov-2-controlled-comparison
Neither surgical nor cotton masks effectively filtered SARS–CoV-2 during coughs by infected patients.
https://www.cebm.net/covid-19/covid-19-masks-on-or-off/
Evidence from 14 trials on the use of masks vs. no masks was disappointing: it showed no effect in either healthcare workers or in community settings.
Johnson DF, Druce JD, Birch C, et al. A quantitative assessment of the efficacy of surgical and N95 masks to filter influenza virus in patients with acute influenza infection. Clin Infect Dis. 2009;49:275-277. [PMID: 19522650] doi:10.1086/600041
Feng S, Shen C, Xia N, et al. Rational use of face masks in the COVID-19 pandemic. Lancet Respir Med. 20 March 2020. [Epub ahead of print]. [PMID: 32203710] doi:10.1016/S2213-2600(20)30134-X
Oberg T, Brosseau LM. Surgical mask filter and fit performance. Am J Infect Control. 2008;36:276-282. [PMID: 18455048] doi:10.1016/j.ajic.2007.07.008
Lee SA, Grinshpun SA, Reponen T. Respiratory performance offered by N95 respirators and surgical masks: human subject evaluation with NaCl aerosol representing bacterial and viral particle size range. Ann Occup Hyg. 2008;52:177-185. [PMID: 18326870] doi:10.1093/annhyg/men005
Ksiazek TG, Erdman D, Goldsmith CS, et al; SARS Working Group. A novel coronavirus associated with severe acute respiratory syndrome. N Engl J Med. 2003;348:1953-1966. [PMID: 12690092]