International links between Streptococcus pneumoniae vaccine serotype 4 sequence type (ST) 801 in Northern European shipyard outbreaks of invasive pneumococcal disease by Gladstone, RA, Siira, L, Brynildsrud, OB, Vestrheim, DF, Turner, P, Clarke, SC, Srifuengfung, S, Ford, R, Lehmann, D, Egorova, E, Voropaeva, E, Haraldsson, G, Kristinsson, KG, McGee, L, Breiman, RF, Bentley, SD, Sheppard, CL, Fry, NK, Corander, J, Toropainen, M, Steens, A, Akpaka, PE, Ampofo, K, Antonio, M, Balaji, V, Beall, BW, Belabbès, H, Benisty, R, Bentley, SD, Bigogo, G, Breiman, RF, Brooks, AW, Carter, PE, Clarke, SC, Cornick, JE, Corso, A, Cristina de Cunto Brandileone, M, Cristine Grassi Almeida, S, Croucher, NJ, Dagan, R, Davydov, A, Diawara, I, Doiphode, S, du Plessis, M, Egorova, E, Elmdaghri, N, Köseoglu Eser, Ö, Everett, DB, Faccone, D, Ford, R, Pollard, AJ