| the incidence of ehrlichial and rickettsial infection in patients with unexplained fever and recent history of tick bite in central north carolina. | we examined the clinical and laboratory findings of a consecutive series of patients from central north carolina presenting with fever and a history of tick bite within the preceding 14 days. evidence of a tick-transmitted pathogen was detected in 16 of 35 patients enrolled over a 2-year period. nine patients were infected with ehrlichia chaffeensis, and 6 were infected with a spotted fever group rickettsia; 1 patient had evidence of coinfection with e. chaffeensis and a spotted fever group rick ... | 1999 | 10438390 |