Bacterial meningitis epidemiology and return of Neisseria meningitidis serogroup A cases in Burkina Faso in the five years following MenAfriVac mass vaccination campaign. oleh Alpha Oumar Diallo, Heidi M Soeters, Issaka Yameogo, Guetawendé Sawadogo, Flavien Aké, Clément Lingani, Xin Wang, Andre Bita, Amadou Fall, Lassana Sangaré, Rasmata Ouédraogo-Traoré, Isaïe Medah, Brice Bicaba, Ryan T Novak, MenAfriNet Consortium