Progresses in ecology and epidemiology of rickettsioses.
D000293:Adolescent; D000349:Africa; D000818:Animals; D002648:Child; D002675:Child, Preschool; D003604:Czechoslovakia; D004197:Disease Reservoirs; D004199:Disease Vectors; D004812:Epidemiologic Methods; D006801:Humans; D008925:Mites; D012008:Recurrence; D012282:Rickettsia Infections; D012373:Rocky Mountain Spotted Fever / Q000453:epidemiology; D013020:South America; D013987:Ticks; D014437:Typhus, Endemic Flea-Borne / Q000453:epidemiology; D014438:Typhus, Epidemic Louse-Borne / Q000453:epidemiology; D014481:United States; D015022:Yugoslavia