TYPHUS FEVER, TICK-BORNE (Rocky Mountain spotted fever) - Reported case rates by year, United States, 1955-1980 1955 '56 '57 '58 '59 '60 '61 '62 '63 '64 '65 '66 '67 '68 '69 '70 '71 '72 '73 '74 '75 '76 '77 '78 '79 '80 A record total of 1,163 cases of Rocky Mountain spotted fever was reported to CDC for 1980. The incidence rate, however, was slightly lower than for 1977 (0.52 vs. 0.53 per 100,000 population). Age, sex, race, and time of onset of illness were unchanged from previous years. TYPHUS FEVER, TICK-BORNE (Rocky Mountain spotted fever) - Reported cases by county, United States, 1980 |