Related Experiment Videos
Rocky Mountain spotted fever--United States, 1990
MMWR. Morbidity and Mortality Weekly Report
|July 12, 1991
Abstract:
In 1990, state health departments reported 649 cases of Rocky Mountain spotted fever (RMSF) to CDC, a 7.6% increase from the 603 cases reported in 1989. The incidence rate was 0.26 per 100,000 persons. Of the 649 cases, 292 (45.0%) and 101 (15.6%) were reported from the South Atlantic and the West South Central regions, respectively.