Rickettsia

E. C. Crossley, J. M. Jordan, D. H. Walker

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Rickettsiae are small obligately intracellular bacteria with small genomes owing to reductive evolution. Most rickettsiae reside in an arthropod host during their ecologic cycle and are transmitted by tick or mite feeding or in louse or flea feces. Rickettsia, Orientia, Ehrlichia, Anaplasma, Neorickettsia, Wolbachia, and Coxiella vary phenotypically and cause diseases such as rocky mountain spotted fever, epidemic typhus, murine typhus, scrub typhus, human monocytotropic ehrlichiosis, human granulocytotropic anaplasmosis, and Q fever. Because of high infectivity by stable aerosols, Rickettsia and Coxiella organisms are bioterror threats. Although treatable with doxycycline, clinical diagnoses are difficult, and there are no vaccines. © 2008

Original languageEnglish (US)
Title of host publicationInternational Encyclopedia of Public Health
PublisherElsevier Inc.
Pages582-590
Number of pages9
ISBN (Print)9780123739605
DOIs
StatePublished - Dec 1 2008

Keywords

  • Anaplasma
  • Coxiella burnetii
  • Ehrlichia
  • Human granulocytotropic anaplasmosis
  • Human monocytotropic ehrlichiosis
  • Mediterranean spotted fever
  • Neorickettsia
  • Orientia
  • Q fever
  • Rickettsia
  • Rickettsialpox
  • Rocky mountain spotted fever
  • Sennetsu fever
  • Typhus
  • Wolbachia

ASJC Scopus subject areas

  • Dentistry(all)
  • Medicine(all)

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  • Cite this

    Crossley, E. C., Jordan, J. M., & Walker, D. H. (2008). Rickettsia. In International Encyclopedia of Public Health (pp. 582-590). Elsevier Inc.. https://doi.org/10.1016/B978-012373960-5.00592-X