Rickettsia

Research output: Chapter in Book/Report/Conference proceedingChapter

6 Scopus citations

Abstract

Rickettsiae are small obligate, intracellular bacteria with small genomes owing to reductive evolution except for Coxiella burnetii, which has been cultured axenically. 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, Neoehrlichia, 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.

Original languageEnglish (US)
Title of host publicationInternational Encyclopedia of Public Health
PublisherElsevier Inc.
Pages370-377
Number of pages8
ISBN (Electronic)9780128037089
ISBN (Print)9780128036785
DOIs
StatePublished - Oct 6 2016

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

  • General Medicine

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