Fig. 4From: Human Trypanosoma cruzi infection in the Argentinean Chaco: risk factors and identification of households with infected children for treatmenta Spatial distribution of households harboring Trypanosoma cruzi-seropositive children ≤ 18 years of age at baseline, Area II and IV, Pampa del Indio, Chaco. Yellow circles indicate local hotspots. Hotspots of households harboring T. cruzi-seropositive children and triatomine house abundance at b baseline, c early period of intervention and d late period of intervention as defined in [22]Back to article page