National Institute for Medical Research, Mwanza, Tanzania
London School of Hygiene and Tropical Medicine, London, United Kingdom
Ifakara Health Institute, Dar es Salaam, Tanzania
Centre de Recherche Médicale et Sanitaire, Niamey, Niger
Centre de Support en Sante Internationale (CSSI), Ndjanema, Chad
Center for Vaccine Development, Mali, Bamako, Mali
Ngwerere Health Clinic and Kasisi Health Clinic, Lusaka, Chongwe District, Lusaka Province, Zambia
Université de Ouagadougou, Ouagadougou, Burkina Faso
Medical Research Council Laboratories, Basse, Gambia
Medical Research and Training Centre, Bamako, Mali
Adezai Basic Health Unit, Adezai, Nwfp, Pakistan
Baghicha Basic Health Unit, Baghicha, Nwfp, Pakistan
Kagan Basic Health Unit, Kagan, Nwfp, Pakistan
HealthNet International, Peshawar, Pakistan
Farafenni Field Station, MRC Laboratories, Farafenni, North Bank Region, Gambia