Just in case a claim is made that the 2017 Covid-19 listings on WITS were changed automatically through an update retroactively; here is a World Customs Organization-coop w/ WHO document showing 2017 exports of "Covid-19" Test kits: https://web.archive.org/web/20200414020339/http://www.wcoomd.org/-/media/wco/public/global/pdf/topics/nomenclature/covid_19/hs-classification-reference_en.pdf?la=en
"All classifications are done under the current international HS –HS 2017.">>10553938
"All classifications are done under the current international HS –HS 2017.">>10553938