| rickettsia slovaca infection in humans in the northeast of spain: seroprevalence study. | catalonia is an endemic area of mediterranean spotted fever. in 1997, a. lakos described a new tick-borne infectious disease called tick-borne lymphadenopathy. the causative agent is rickettsia slovaca, which is transmitted by dermacentor marginatus ticks. we have diagnosed human cases in catalonia. the objective of this study was to determinate seroprevalence of r. slovaca infection in humans in the northeast of spain. the population included 217 subjects from catalonia, northeast of spain and ... | 2008 | 18620514 |