UCAM-IVI 1st pre-site assessment visit in Ouagadougou, Burkina Faso was conducted on 26-29 November 2019. During the visit, a group of members from the University of Cambridge and International Vaccine Institute visited the Groupe de Recherche Action en Santé (GRAS) and University of Ouagadougou for discussing the Phase I clinical trial and sero-epidemiology study.