Phylogenetic Analysis of Invasive Serotype 1 Pneumococcus in South Africa, 1989 to 2013.

du Plessis M, Allam M, Tempia S, Wolter N, de Gouveia L, von Mollendorf C, Jolley KA, Mbelle N, Wadula J, Cornick JE, Everett DB, McGee L, Breiman RF, Gladstone RA, Bentley SD, Klugman KP, von Gottberg A,