periurban trypanosoma cruzi-infected triatoma infestans, arequipa, peru. | in arequipa, peru, vectorborne transmission of chagas disease by triatoma infestans has become an urban problem. we conducted an entomologic survey in a periurban community of arequipa to identify risk factors for triatomine infestation and determinants of vector population densities. of 374 households surveyed, triatomines were collected from 194 (52%), and trypanosoma cruzi-carrying triatomines were collected from 72 (19.3%). guinea pig pens were more likely than other animal enclosures to be ... | 2006 | 17073082 |