Meningococcal carriage in adolescents in the United Kingdom to inform timing of an adolescent vaccination strategy. by Jeppesen, C, Snape, M, Robinson, H, Gossger, N, John, T, Voysey, M, Ladhani, S, Okike, I, Oeser, C, Kent, A, Oliver, J, Taylor, P, Morales-Aza, B, Clarke, S, Casey, M, Martins, F, Kitchin, N, Anderson, A, Jones, H, Jansen, K, Eiden, J, Pedneault, L, Heath, P, Finn, A, Faust, S, Pollard, A