
https://www.occrp.org/en/coronavirus/uncertain-diagnosis-the-murky-global-market-for-coronavirus-antibody-tests

https://g8fip1kplyr33r3krz5b97d1-wpengine.netdna-ssl.com/wp-content/uploads/2020/02/Letter-to-Vestager.pdf

https://www.europarl.europa.eu/doceo/document/TA-9-2021-0430_EN.pdf