Michel Goldman (ULB, I3H Institute) and Jean Christophe Goffard (Professor of Medicine, Head of the Internal Medicine Department of the Erasmus Hospital) participated in a webinar organised by CHIREC and Prof. Elie Cogan where they talked about the remarkable effectiveness of monoclonal antibodies specific to SARS-CoV-2, which are about to revolutionise the initial treatment of COVID 19. This therapeutic approach, which is complementary to vaccination, is aimed in particular at people at risk of severe COVID.