Diseases & Conditions


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Sennetsu Fever


Synonyms of Sennetsu Fever
  • Human Ehrlichial Infection
  • Human Ehrlichial Infection
  • Human Ehrlichial Infection, Sennetsu Type
  • Sennetsu Type

Disorder Subdivisions



    General Discussion
    Sennetsu Fever is a rare infectious disease belonging to a group of diseases known as the Human Ehrlichioses. These diseases are caused by bacteria belonging to the Ehrlichia family. Several forms of Human Ehrlichial infection have been identified including Sennetsu Fever, Human Monocytic Ehrlichiosis (HME), and Human Granulocytic Ehrlichiosis (HGE). Though caused by different strains of Ehrlichia bacteria, the disorders are all characterized by similar symptoms.

    The symptoms of Sennetsu Fever may include a sudden high fever, headache, and muscle aches (myalgia) within a few weeks after initial infection. In some cases, affected individuals may also experience nausea, vomiting, and/or loss of appetite (anorexia). In addition, in many cases, abnormal laboratory findings may include a decrease in white blood cells (leukopenia) and/or an abnormal increase in the level of certain liver enzymes (hepatic transaminases). Sennetsu Fever is caused by the bacterium Ehrlichia sennetsu. The vector (or carrier) for this bacterium has not yet been determined; however, some researchers believe that infection may result from the ingestion of raw fish.

    Organizations related to Sennetsu Fever
    • Centers for Disease Control and Prevention
      1600 Clifton Road NE
      Atlanta GA 30333
      Phone #: 404-639-3534
      800 #: 800-311-3435
      e-mail: http://www.cdc.gov/netinfo.htm
      Home page: http://www.cdc.gov/
    • NIH/National Institute of Allergy and Infectious Diseases
      6610 Rockledge Drive
      Bethesda MD 20892-6612
      Phone #: 301-496-5717
      800 #: --
      e-mail: N/A
      Home page: http://www.niaid.nih.gov/
    • World Health Organization (WHO) Regional Office for the Americas (AMRO)
      Pan American Health Organization (PAHO)
      Washington DC 20037
      Phone #: 202-974-3000
      800 #: --
      e-mail: postmaster@paho.org
      Home page: http://www.who.ch/



    For a Complete Report

    This is an abstract of a report from the National Organization for Rare Disorders, Inc. ? (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html