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Top: Severity index (left) and severity count (right) as functions of entomological inoculation rate (.01 < EIR < .25/day), versus (bottom) field data (after Snow et al. 1997 [19]). Data show the effect of EIR on prevalence of severe malaria (cases per 1000) in children aged 0–9. Cases include diagnoses of severe anemia (sma) + cerebral malaria (cm).
