It is surprising but the most efficient way to decontaminate things from virus is to dry them or leave alone for long period of time:
https://www.niaid.nih.gov/news-events/n ... s-surfaces
The article provides the most important measures:The virus that causes coronavirus disease 2019 (COVID-19) is stable for several hours to days in aerosols and on surfaces
The scientists found that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was detectable in aerosols for up to three hours, up to four hours on copper, up to 24 hours on cardboard and up to two to three days on plastic and stainless steel.
I searched for materials that are the best for DIY face mask. Following article are exceptionally nice: https://smartairfilters.com/en/blog/bes ... ask-virus/Avoid close contact with people who are sick.
Avoid touching your eyes, nose, and mouth.
Stay home when you are sick.
Cover your cough or sneeze with a tissue, then throw the tissue in the trash.
Clean and disinfect frequently touched objects and surfaces using a regular household cleaning spray or wipe.
I used patterns from this page https://www.instructables.com/id/DIY-Cloth-Face-Mask/ to make my own DIY face mask.
It is amazing how people can be stupid: https://www.refinery29.com/en-us/2020/0 ... -heat-cure It discusses blowing hot air into your nostrils ))