TULAREMIA - Reported case rates by year, United States, 1955-1980 10 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 Since reaching its nadir in 1975, the incidence rate of reported cases of tularemia has nearly doubled. Arkansas continues to report more cases than any other state. TULAREMIA – Reported cases by county, United States, 1980 TYPHOID FEVER Reported case rates by year, United States, 1955-1980 2 222 CASES IN FLORIDA The number of typhoid cases has remained relatively constant since 1970. About one-half of the cases reported in the United States are acquired during foreign travel. The source of domestically acquired typhoid is usually a chronic carrier of Salmonella typhi, but some infections are acquired in laboratories. |