[1] Ctr Dis Control & Prevent, Div AIDS STD & TB Lab Res, Atlanta, GA USA
[2] Ctr Dis Control & Prevent, Div Parasit Dis, Natl Ctr Infect Dis, Atlanta, GA USA
[3] Ctr Dis Control & Prevent, Epidemiol Program Off, Div Appl Publ Hlth Training, Atlanta, GA USA
[4] Kenya Govt Med Res Ctr, Ctr Vector Biol & Control Res, Kisumu, Kenya
[5] New Nyanza Provincial Gen Hosp, Minist Hlth, Kisumu, Kenya
[6] WHO, Roll Back Malaria, CH-1211 Geneva, Switzerland