Here are two summaries of the different kinds of face masks to use in Covid times:

https://www.rnz.co.nz/news/what-you-need-to-know/460348/covid-19-face-masks-what-you-need-to-know?fbclid=IwAR2fuC7qvqSiwCpZN67T_CSyTADKlgq81piYJlZ-XEEjnBx-4ah6_kQLlio

and:

https://www.theguardian.com/lifeandstyle/2022/jan/18/caring-for-covid-face-masks-bag-it-between-wears-and-bin-it-when-youre-done