[Control of visceral leishmaniasis in the town of Porteirinha, state of Minas Gerais, Brazil, from 1998 to 2003].

INTRODUCTION In the town of Porteirinha, State of Minas Gerais, 23 human cases of visceral leishmaniasis (VL) in 1998 and 1999 were recorded. METHODS A study was conducted involving the triad of action recommended for the control of VL. Patients were treated and serologically positive dogs were euthanized quarterly. The pyrethroid insecticide α-cypermethrin was applied in the neighborhoods where human cases were recorded. RESULTS A reduction in canine seroprevalence and sand flies occurred following the implementation of control measures, reflecting in a reduction in human cases of VL. CONCLUSIONS The results show the efficiency of such control measures when used in association.