Covid-19 - Decontamination of N-95 masks APSF

"Although Covid-19 virus is ~ 0.1 µm in size, the exhalation droplets can be several micrometers or larger but shrink while traveling in air due to water evaporation..."N95 respirator ...>98% efficient at Covid-19 virus size of ~ 0.1 µm."Figure 1, N95 respirator has greater than 95% efficiency over the entire size range...and is greater than 98% efficient at Covid-19 virus size of ~ 0.1 µm... steam heat treatment caused slight efficiency drop (less than 5% on the average) on surgical masks after 10 treatment cycles"

https://www.apsf.org/news-updates/covid-19-pandemic-decontamination-of-respirators-and-masks-for-the-general-public-healthcare-workers-and-hospital-environments/