Spotted Fever Group Rickettsiae in Ticks Feeding on Humans in Northwestern Spain
During a 7-year study, we identified and analyzed by PCR 4,049 ticks removed from 3,685 asymptomatic patients in Castilla y Len (northwestern Spain). A total of 320 ticks (belonging to 10 species) were PCR-positive for rickettsiae. Comparison of amplicon sequences in databases enabled us to identify eigth different spotted fever group (SFG) rickettsia
spain castilla y len mediterranean spotted fever rickettsia conorii r. slovaca r. aeschlimannii