World Bank exporting COVID-19 Testing Kits in 2018
US listed as top exporter on "2nd Edition"
https://wits.worldbank.org/trade/comtrade/en/country/ALL/year/2018/tradeflow/Exports/partner/WLD/nomen/h5/product/300215
https://wits.worldbank.org/trade/comtrade/en/country/ALL/year/2018/tradeflow/Exports/partner/WLD/nomen/h5/product/382200