The Center for Bioethics and Diplomacy Studies in Health (Nethis/Fiocruz) promotes debate with two directors of the leading institutes of vaccine production for the Sistema Único de Saúde (SUS). The Director of the Institute of Technology in Immunobiologicals (Bio-Manguinhos/Fiocruz), Artur Roberto Couto, and the Director of the Butantan Institut, Jorge…