title: Discrepancies in Weil-Felix and microimmunofluorescence test results for Rocky Mountain spotted fever.
abstract: Only 4.2% of 284 single specimens and 17.6% of 51 pairs of sera reactive in Weil-Felix agglutination tests for Rocky Mountain spotted fever were confirmed by a specific Rickettsia rickettsii microimmunofluorescence test.
mesh_terms: D000372:Agglutination Tests; D000942:Antigens, Bacterial; D003937:Diagnosis, Differential; D005455:Fluorescent Antibody Technique; D006801:Humans; D011511:Proteus / Q000276:immunology; D012284:Rickettsia rickettsii / Q000276:immunology; D012373:Rocky Mountain Spotted Fever / Q000175:diagnosis*
chemical_list: D000942:Antigens, Bacterial