Об эффективности масок

[ny_quant]

Источник: https://www.wsj.com/articles/cloth-face-mask-omicron-11640984082

Как обычно, работает/не работает - ложная дихотомия.

Comments

[sydorov47.livejournal.com]

Maybe because mask effect is asymmetrical.

https://www.cdc.gov/coronavirus/2019-ncov/science/science-briefs/masking-science-sars-cov2.html
" Multi-layer cloth masks can both block 50-70% of these fine droplets and particles3, 14 and limit the forward spread of those that are not captured.5, 6, 15, 16 Upwards of 80% blockage has been achieved in human experiments,"
"Multiple layers of cloth with higher thread counts have demonstrated superior performance compared to single layers of cloth with lower thread counts, in some cases filtering nearly 50% of fine particles less than 1 micron"