1 Malaria Biologics Branch, Immunology core, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA; Microbiology and Infectious Diseases Department, Anti-Infectious Biotherapies and Immunity, Institut de Recherche Biomédicale des Armées, Brétigny-sur-Orge Cedex, France.
2 Microbiology and Infectious Diseases Department, Anti-Infectious Biotherapies and Immunity, Institut de Recherche Biomédicale des Armées, Brétigny-sur-Orge Cedex, France; Ecole du Val-de-Grâce, Paris, France. Electronic address: jean-nicolas.tournier@intradef.gouv.fr.