Objetive: To determine the prevalence and risk factors of hydatidosis in a Peruvian town general population. Design: Transversal analytic study. Material and methods: In 412 residents from the urban area and 261 from the rural area a blood sample was obtained for serology and a survey was applied; hydatidosis cases were those positive to Elisa and Western Blot tests. Results: Hydatidosis prevalence was 9,8% in the rural area and 8,2% in the urban area. Significant risk factors were: age from 11 to 40 year-old, cattle breeder occupation, and residual water discharge within the house (rural area); and a protection factor was dog feeding with cooked viscera. Conclusions: Hydatidosis risk factors in a Peruvian district were economically productive population, direct labor with livestock and dog feeding with viscerae. Implementing a program of local harm control and extending it to the countr...

Objective: To obtain information about sexual transmitted diseases (STD) and human immunodeficiency virus (HIV) behavioral risk factors and perceptions in adolescent women, ages between 16 and 17 years, who subscribed to obtain their military identification card. Design: Randomized anonymous, transversal study done in Lima and Callao during 2001. Material and methods: Auto applied questionnaire that used a structural equation model to conduce a path analysis. Results: Seven hundred and fifty-five adolescent women participated in this study, mean age 16,4±0,49 years, mean age at first sexual intercourse 15,4 years. There were risk behaviors related to STD/HIV/AIDS in the adolescents with reported active sexual life: 35,1% had an occasional sex partner, the proportion of global condom use was low (23,4%) while 16% reported two or more sexual partners in the past year, one third (33%) repo...