Spencer D. Polley1, Kevin K. A. Tetteh1, Jennie M. Lloyd1, Onome Akpogheneta1, Brian Greenwood1, Kalifa Bojang1,2, David J. Conway1,2
1Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom
2Medical Research Council Laboratories, Fajara, Banjul;, The Gambia