He has visited 20 villages located along the valley Sihuas province of Arequipa, Arequipa . Was conducted epidemiological study in 180 homes , having covered nuestrta survey of 998 people. The study of housing states: overcrowded population , as the average between people and beds is 2.17. The general type of housing is quite poor ; in almost all households ( 96.11 %) pets, preferably poultry ( 92.22 %) and guinea pigs ( 83.33 %) are raised. Vector alone has been found Triantoma infestans visited 106 of housing 180 ( 58.88 % ) , of which 57 (31.6 % ) the trianomas were infected with Trypanosoma cruzi . 936 reduviid bugs have been examined , having determined a - triatomine Trypanosoma 34.09 % , being the partial data rate as follows: 25.05 % is the rate of infection from tritomas bedroom, out of a total of 427 copies; and 46.80 %, is the corresponding index in cuyeros of a total of 250 e...