Gürtler RE, Kitron U, Cecere MC, Segura EL, Cohen JE, 2007. Sustainable vector control and management of Chagas disease in the Gran Chaco, Argentina. Proc Natl Acad Sci USA 104 :16194–16199.
INDEC, 2001. Instituto Nacional de Estadísticas y Censo. Censo Nacional de Población, Hogares y Vivienda del Año 2001. Available at: http://www.indec.gov.ar/webcenso/index.asp.
Soler C, 1958. Campaña piloto de erradicación de la vinchuca. Villa Mazán 1958. Segura 2002. La Rioja, Argentina: Subsecretaría de Salud Pública de La Rioja.
Sosa Estani S, Zaidemberg M, Segura EL, 2006. Descentralización del Pr ograma de Control de la Transmisión de Trypanosoma cruzi (Chagas) en la Argentina. Yadon Z, Gurtler RE, Tobar F, Médici AC. Descentralización y Gestión del Control de las Enfermedades Transmisibles en América Latina. OPS, 189–202.
Segura EL, 2002. El control de la enfermedad de Chagas en la República Argentina. El control de la enfermedad de Chagas en los países del Cono Sur de América: Historia de una Iniciativa Internacional. 1991/2001, 45–108.
Gürtler RE, Canale DM, Spillmann C, Stariolo R, Salomón OD, Blanco S, Segura EL, 2004. Effectiveness of residual spraying of peri-domestic ecotopes with deltamethrin and permethrin on Triatoma infestans in rural western Argentina: a district-wide randomized trial. Bull World Health Organ 82 :196–205.
Kulldorff, M. A. 1997. Spatial scan statistic. Commun Stat-Theor M 26: 1481–1496.
World Health Organization. 2002. Control of Chagas disease. Second report of the WHO expert committee. World Health Organ Tech Rep Ser 905 :1–115.
Schofield CJ, Jannin J, Salvatella R, 2006. The future of Chagas disease control. Trends Parasitol 22 :583–588.
Porcasi X, Catalá SS, Hrellac H, Scavuzzo MC, Gorla DE, 2006. Infestation of rural houses by Triatoma infestans (Hemipera: Reduviidae) in the southern area of the Gran Chaco in Argentina. J Med Entomol 43 :1060–1067.
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Vectorial transmission of Chagas disease has been decreasing over the past few decades because of effective vector control programs in the southern cone of South America. However, the disease is still actively transmitted within the Gran Chaco region. In this area, vector populations are abundant and highly prevalent in poor rural houses. This study analyses the spatial pattern of rural house infestation by Triatoma infestans in a 56,000 km2 area in the province of La Rioja, Argentina, before the re-initiation of systematic activity on vector control intervention. Data on 5,045 rural houses show that infestation has high spatial heterogeneity, with highly infested localities concentrated in a few areas. House infestation has a negative significant relationship with locality size. Rural houses in the region are highly dispersed and this feature has been and will remain a challenge for any vigilance system to be installed in the region.