title: Rocky Mountain spotted fever in the United States, 1975-1977.
mesh_terms: D000293:Adolescent; D000328:Adult; D002487:Centers for Disease Control and Prevention, U.S.; D002648:Child; D002675:Child, Preschool; D005260:Female; D049673:History, 20th Century; D006801:Humans; D008297:Male; D012290:Rickettsial Vaccines / Q000627:therapeutic use; D012373:Rocky Mountain Spotted Fever / Q000453:epidemiology* / Q000401:mortality / Q000517:prevention & control; D014481:United States
chemical_list: D012290:Rickettsial Vaccines