This is the stuff they coat the nasal and mouth swabs for the divoc tests. It’s highly carcinogenic. Look for the “EO” in the circle on the package. They say it’s used to “sterilize” the swabs. Oh, they’re using it for sterilization alright! Straight from the government’s own website devoted to cancer.

https://www.cancer.gov/about-cancer/causes-prevention/risk/substances/ethylene-oxide