title: Rocky Mountain spotted fever in Clermont County, Ohio: description of an endemic focus.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004197:Disease Reservoirs; D004463:Ecology; D004781:Environmental Exposure; D005260:Female; D005843:Geography; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009820:Ohio; D011156:Population Density; D011158:Population Growth; D012373:Rocky Mountain Spotted Fever / Q000453:epidemiology* / Q000235:genetics; D012424:Rural Population; D012621:Seasons; D013987:Ticks; D014507:Urbanization