Pharyngeal carriage of Neisseria species in the African meningitis belt by Diallo, K, Maiden, M, Bennett, J, Rebbetts, L, Watkins, E, Trotter, C, Timbine, Y, Tamboura, B, Sow, S, Issaka, B, Dano, I, Collard, J, Dieng, M, Diallo, A, Mihret, A, Ali, O, Aseffa, A, Quaye, S, Bugri, A, Osei, I, Gamougam, K, Mbainadji, L, Douglas, D, Gadzama, G, Sambo, Z, Omotara, B, Nascimento, M, Woukeu, A, Manigert, O, Borrow, R, Stuart, J, Greenwood, B