Stephen J. Schueler, M.D.

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Typhus Underlying Cause

The cause of typhus are Rickettsia bacteria, which are normally present in animals. They are transmitted to humans by fleas, lice and chiggers.

The Rickettsia bacteria cause inflammation of small blood vessels. The inflamed blood vessels are unable to deliver blood and oxygen to tissues, which damages organs throughout the body.

Continue to Typhus Transmission

Last Updated: Jul 14, 2009 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Typhus References
  1. Cunha BA. Osler on typhoid fever: differentiating typhoid from typhus and malaria. Infect Dis Clin North Am. 2004 Mar;18(1):111-25. [15081508]
  2. Raoult D, Woodward T, Dumler JS. The history of epidemic typhus. Infect Dis Clin North Am. 2004 Mar;18(1):127-40. [15081509]
  3. Watt G, Parola P. Scrub typhus and tropical rickettsioses. Curr Opin Infect Dis. 2003 Oct;16(5):429-36. [14501995]
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