Abstract
Brazilian Spotted Fever (BSF), caused by the bacterium Rickettsia rickettsii, is the vector-borne disease that generates more human deaths in the state of São Paulo. In this region, the endemic areas of BSF are associated with the presence and expansion of capybaras Hydrochoerus hydrochaeris, amplifier hosts of R. rickettsii and primary hosts of the tick Amblyomma cajennense, vector of th…