Since 2008, Philip Morris Investments B.V. (PMIBV), a subsidiary of Philip Morris International (PMI) has been a shareholder of Medicago (in which it currently holds an approximately one-third equity stake) and has supported Medicago’s innovative plant-derived research and development focused on vaccines.
https://www.pmi.com/media-center/news/pmi-announces-medicago-to-supply-up-to-76-million-doses-of-its-plant-derived-covid-19-vaccine-candidate
https://www.pmi.com/media-center/news/medicago-develops-a-plant-based-vaccine-for-coronavirus