HealthWHO expert on origin of COVID05:38This browser does not support the video element.Health02/10/2021February 10, 2021Epidemiologist Dr. Fabian Leendertz tells DW it's a "big question" if we ever find out how and where the COVID-19 pandemic started. He is a member of the WHO team that was in China and took part in investigations from Berlin.Copy linkAdvertisement