戴面具是为了防止受到霉菌感染。“除霉”无需毒药，普通的洗手液或洗碗剂就行。“防”霉的关键在于通风，降低室内湿度。详见内

https://www1.nyc.gov/assets/doh/downloads/pdf/epi/prevent-and-get-rid-of-mold-sc.pdf

 

https://www.cdc.gov/mold/pdfs/fact_sheet_Chinese-P.pdf