Figure 1

Geocoded sites where the cats were captured, shown on a digital elevation model. A. Distribution of cats seropositive for L. infantum (IFAT titre ≥ 1:50) in the study area. B. Detailed distribution of cats seropositive for L. infantum (IFAT titre ≥ 1:50) in the Madrid city area. 1: Uceda (Guadalajara); 2: Guadalajara city; 3: Fresno del Torote (CM); 4: Camarma de Esteruelas (CM); 5: San Sebastián de los Reyes (CM); 6: Alcalá de Henares (CM); 7: Torrejón de Ardoz (CM); 8: Las Rosas (Madrid city); 9: Casa de Campo (Madrid city); 10: Orcasur (Madrid city); 11: Fuenlabrada (CM); 12: Carranque (Toledo). **For 3 seropositive cats (two showing a titre of 1:50 and 1 of 1:100), the capture site was unknown so they do not appear on the map.