Face masks during the COVID-19 pandemic (English Wikipedia)
Analysis of information sources in references of the Wikipedia article "Face masks during the COVID-19 pandemic" in English language version.
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businessinsider.fr
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cdc.gov
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Experimental and epidemiologic data support community masking to reduce the spread of SARS-CoV-2, including alpha and delta variants, among adults and children. [...] Mask use has been found to be safe and is not associated with clinically significant impacts on respiration or gas exchange under most circumstances, except for intense exercise. The limited available data indicate no clear evidence that masking impairs emotional or language development in children. [I]n combination with other contextual cues, masks are unlikely to produce serious impairments of children's social interactions. A study of 2-year-old children concluded that they were able to recognize familiar words presented without a mask and when hearing words through opaque masks. Among children with autism spectrum disorders (ASD), interventions including positive reinforcement and coaching caregivers to teach mask-wearing have improved participants' ability to wear a face mask. These findings suggest that even children who may have difficulty wearing a mask can do so effectively through targeted interventions.
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Masks prevent the spread of droplets and aerosols generated by an infected individual, and when correctly worn surgical masks can reduce viral transmission by 95%. Uninfected individuals wearing a surgical mask are about 85% protected against infection.
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The results of additional studies that assessed mask wearing ... indicate a reduction in covid-19 incidence, SARS-CoV-2 transmission, and covid-19 mortality. Specifically, a natural experiment across 200 countries showed 45.7% fewer covid-19 related mortality in countries where mask-wearing was mandatory. Another natural experiment study in the US reported a 29% reduction in SARS-CoV-2 transmission (measured as the time-varying reproductive number Rt) (risk ratio 0.71, 95% confidence interval 0.58 to 0.75) in states where mask-wearing was mandatory. A comparative study in the Hong Kong Special Administrative Region reported a statistically significantly lower cumulative incidence of covid-19 associated with mask-wearing than in selected countries where mask-wearing was not mandatory.
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Masks prevent the spread of droplets and aerosols generated by an infected individual, and when correctly worn surgical masks can reduce viral transmission by 95%. Uninfected individuals wearing a surgical mask are about 85% protected against infection.
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The results of additional studies that assessed mask wearing ... indicate a reduction in covid-19 incidence, SARS-CoV-2 transmission, and covid-19 mortality. Specifically, a natural experiment across 200 countries showed 45.7% fewer covid-19 related mortality in countries where mask-wearing was mandatory. Another natural experiment study in the US reported a 29% reduction in SARS-CoV-2 transmission (measured as the time-varying reproductive number Rt) (risk ratio 0.71, 95% confidence interval 0.58 to 0.75) in states where mask-wearing was mandatory. A comparative study in the Hong Kong Special Administrative Region reported a statistically significantly lower cumulative incidence of covid-19 associated with mask-wearing than in selected countries where mask-wearing was not mandatory.
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well-known patterns such as the Deaconess, A.B. mask (For a nurse, by a nurse), We Can Sew It, the Cynthia, and the Erin ... Full Pattern Library
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