Programa de Controle da Doen？a de Chagas no estado de S？o Paulo, Brasil: o controle e a vigilancia da transmiss？o vetorial

the control of the vectors of chagas' disease in the state of sao paulo are discussed, mainly those activities that led to the elimination of triatoma infestans. secondary factors that helped the control such as rural exodus are also analyzed. the article shows that since 1965 the control became a campaign with different phases due to the epidemiological situation, the acquired knowledge and the entomological surveillance. after 25 years of work, the elimination of all the focus of triatoma infestans was finally reached and the campaign was ended. however, due to the possibility of reintroduction of the vector in rural areas by passive transportation besides the presence of secondary vectors (triatoma sordida and panstrongylus megistus) in several localities, the vector control activities were not interrupted and the surveillance is continuous.