Eric Walker added 2021-03 Origins of the SARS-CoV-2 virus (report) and a number of links to Marion Koopmans and the origin of SARS-CoV-2, and added Marion Koopmans and the origin of SARS-CoV-2 to Marion Koopmans and Erasmus MC and Scientists and researchers and the origin of SARS-CoV-2

Eric Walker added Marion Koopmans and the origin of SARS-CoV-2 to Marion Koopmans and Erasmus MC, and added Marion Koopmans and Erasmus MC to Erasmus MC

Eric Walker added Ron Fouchier and Erasmus MC and Marion Koopmans and Erasmus MC and Erasmus MC - Wikipedia to Erasmus MC, and added Erasmus MC to Erasmus University