FILE PHOTO: Marion Koopmans, a member of the World Health Organization (WHO) team tasked with investigating the origins of the coronavirus disease (COVID-19), speaks at the WHO-China joint study news conference at a hotel in Wuhan, Hubei province, China February 9, 2021. REUTERS/Aly SongAMSTERDAM (Reuters) – A leading scientist on the WHO’s COVID-19 mission to