4 ms·
Although, significant increase in CO2 concentrations are noted with routinely used face-masks, the levels still remain within the NIOSH limits for short-term us
by aloisdg 3y ago
Although, significant increase in CO2 concentrations are noted with routinely used face-masks, the levels still remain within the NIOSH limits for short-term use. Therefore, there should not be a concern in their regular day-to-day use by people.
https://bmcinfectdis.biomedcentral.com/articles/10.1186/s12879-021-06056-0 https://bmcinfectdis.biomedcentral.com/articles/10.1186/s128...