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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 4

Predictors of infestation among all households by Triatoma infestans bugs during the surveillance phase (2009–2012) in areas of Arequipa, Peru, treated during 2003–2011)*

Predictor OR 2.5% CI 97.5% CI
2.1 × 10–5
3.2 × 10–6
1.4 × 10–4
Infested during treatment phase
Untreated during treatment phase
Time, y 1.55‡ 1.15 2.09

*Time corresponds to the number of years after the end of the initial treatment phase in the locality as of January 1, 2013. A locality level random effect is included. CIs assume asymptotic normality. n = 56,491 (116 infested), Nagelkerke pseudo-R2 = 0.16. OR, odds ratio.

Main Article

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

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