Fig. 3From: Human Trypanosoma cruzi infection in the Argentinean Chaco: risk factors and identification of households with infected children for treatmentAge-specific seroprevalence of Trypanosoma cruzi infection in residents from Areas II and IV born before the onset of interventions, observed (dots) and 95% CI (whiskers) and predicted according to an irreversible catalytic model seroprevalence (dashed line and dark envelope). a For all ages and b for children ≤ 18 years old at the onset of interventionsBack to article page