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Geometric mean selectivity index (SI) of Plasmodium falciparum isolates from A, Kenya and B, Mali separated by patient malaria severity (black bars = uncomplicated; white bars = severe, gray bars = hyperparasitemia) and host parasitaemia group. Errors bars show 95% confidence intervals. Four samples with an SI of 0 (i.e., no multiple-infected cells) were excluded (two Kenyan and two Malian). max = maximum.
