1 Solthis, Bagnolet IRD UMI 233 TransVIHMI-INSERM U1175, Montpellier University, Montpellier, France Centre régional de Recherche et de formation à la prise en charge Clinique de Fann, Dakar, Senegal PNLSH, Conakry, Guinea PNLS/IST, Bujumbura, Burundi PNLS, Abidjan, Côte d'Ivoire CNLS, Yaoundé, Cameroun Department of Virology, Necker Hospital Department of Infectious and Tropical Diseases, Pitié-Salpêtrière Hospital, Paris, France.