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Volume 20, Number 12—December 2014

Residual Infestation and Recolonization during Urban Triatoma infestans Bug Control Campaign, Peru1

Corentin M. BarbuComments to Author , Alison M. Buttenheim, Maria-Luz Hancco Pumahuanca, Javier E. Quintanilla Calderón, Renzo Salazar, Malwina Carrión, Andy Catacora Rospigliossi, Fernando S. Malaga Chavez, Karina Oppe Alvarez, Juan Cornejo del Carpio, César Náquira, and Michael Z. Levy
Author affiliations: University of Pennsylvania, Philadelphia, Pennsylvania, USA (C.M. Barbu, A.M. Buttenheim, M.Z. Levy); Universidad Peruana Cayetano Heredia, Arequipa, Peru (M.-L. Hancco Pumahuanca, J.E. Quintanilla Calderón, R. Salazar, M. Carrión, C. Náquira); Red de Salud Aequipa Caylloma, Arequipa (A. Catacora Rospigliossi); Dirección Regional del Ministerio de Salud, Arequipa (F.S. Malaga Chavez, K. Oppe Alvarez, J. Cornejo del Carpio)

Main Article

Table 1

Targeted areas within districts and localities and distribution of reports, inspections, and uncovered infestation during surveillance phase of a Chagas disease vector control program, Arequipa, Peru, 2003–2011*

Nested units City blocks Households Households reporting infestations Households inspected Households inspected and found infested
Participating districts, n = 8 5,955 79,972 301 785 145
Infested localities, n = 256 4,755 67,218 258 714 133
Targeted areas 3,727 56,491 225† 613 116‡

*Reporting and inspected households during surveillance are counted from January 2009 through end of December 2012.
†Households in targeted city blocks have a similar rate of report and risk of being positive during the surveillance phase as other households in their districts: odds ratio 1.12, p = 0.45; and 0.94, p = 0.77, controlling for diversity between districts.
‡Among these households, 77 were reporting households (35% of the 219 inspected reporting households).

Main Article

1The authors have provided a Spanish version of this article online (

Page created: November 18, 2014
Page updated: November 18, 2014
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