Figure 2
From: Lessons learnt from the first controlled human malaria infection study conducted in Nairobi, Kenya
Primary reasons for exclusion of volunteers. Of some individuals met multiple exclusion criteria. This figure illustrates the primary reason for exclusion for each volunteer. ‘HIV’ = human immunodeficiency virus; ‘ECG’ = electrocardiogram; ‘PCR’ = polymerase chain reaction for P. falciparum; ‘ALT’ = Alanine transaminase; ‘Homo α thal’ = Homozygous α thalassemia; ‘Hetero α thal’ = Heterozygous α thalassemia; βHCG = β Human Chorionic Gonadotropin.