This fell off the end of the last bread so reposting.
Just foud this site that gives details of COVID-19 testing kits purchased by country. The list shows that the purchases were done in 2018!!!
https://wits.worldbank.org/trade/comtrade/en/country/ALL/year/2018/tradeflow/Exports/partner/WLD/nomen/h5/product/902780
Download and save before it gets deleted. PDF attached.