Rickettsia parkeri: a newly recognized cause of spotted fever rickettsiosis in the United States
- PMID: 14999622
- DOI: 10.1086/381894
Rickettsia parkeri: a newly recognized cause of spotted fever rickettsiosis in the United States
Abstract
Ticks, including many that bite humans, are hosts to several obligate intracellular bacteria in the spotted fever group (SFG) of the genus Rickettsia. Only Rickettsia rickettsii, the agent of Rocky Mountain spotted fever, has been definitively associated with disease in humans in the United States. Herein we describe disease in a human caused by Rickettsia parkeri, an SFG rickettsia first identified >60 years ago in Gulf Coast ticks (Amblyomma maculatum) collected from the southern United States. Confirmation of the infection was accomplished using serological testing, immunohistochemical staining, cell culture isolation, and molecular methods. Application of specific laboratory assays to clinical specimens obtained from patients with febrile, eschar-associated illnesses following a tick bite may identify additional cases of R. parkeri rickettsiosis and possibly other novel SFG rickettsioses in the United States.
Comment in
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A new rickettsial disease in the United States.Clin Infect Dis. 2004 Mar 15;38(6):812-3. doi: 10.1086/381896. Epub 2004 Mar 1. Clin Infect Dis. 2004. PMID: 14999623 No abstract available.
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