4 ms·
A vacuum cleaner bag is over 80% effective at catching virus size particles, a tea towel/dish cloth 70%, a surgical mask 90%. There’s no tea towel shortage. Wes
by barry-cotter 7y ago
A vacuum cleaner bag is over 80% effective at catching virus size particles, a tea towel/dish cloth 70%, a surgical mask 90%. There’s no tea towel shortage. Western governments should be encouraging use of makeshift masks.
> Professional and Home-Made Face Masks Reduce Exposure to Respiratory Infections among the General Population
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2440799/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2440799/