Look at all the nations that exported such equipment, well before that Chinese bat infected someone in Wuhan. (China presciently exported over 31 million units.) Link: https://web.archive.org/web/20200906174045if_/https://wits.worldbank.org/trade/comtrade/en/country/ALL/year/2018/tradeflow/Exports/partner/WLD/nomen/h5/product/902780