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Human Granulocytic Ehrlichiosis (HGE)
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Copyright 1996, 1997, 1998, 1999, 2000, 2009
Synonyms of Human Granulocytic Ehrlichiosis (HGE)
- HGE
- Human Ehrlichial Infection, Human Granulocytic Type
Disorder Subdivisions
General Discussion
Human Granulocytic Ehrlichiosis (HGE) is a rare infectious disease that belongs to a group of diseases known as the Human Ehrlichioses. The Ehrlichioses are infectious diseases caused by bacteria in the "Ehrlichia" family. Several forms of Human Ehrlichial infection have been identified including Human Granulocytic Ehrlichiosis (HGE), Sennetsu Fever, and Human Monocytic Ehrlichiosis (HME). Though caused by different strains of Ehrlichia bacteria, the disorders are all characterized by similar symptoms.
The symptoms of Human Granulocytic Ehrlichiosis (HGE) may include a sudden high fever, headache, muscle aches (myalgia), chills, and a general feeling of weakness and fatigue (malaise) within a week or so after initial infection. In most cases, abnormal laboratory findings may occur including an abnormally low number of circulating blood platelets (thrombocytopenia), a decrease in white blood cells (leukopenia), and an abnormal increase in the level of certain liver enzymes (hepatic transaminases). In some cases, symptoms may progress to include nausea, vomiting, cough, diarrhea, loss of appetite (anorexia), and/or confusion. If Human Granulocytic Ehrlichiosis is left untreated, life-threatening symptoms, such as kidney failure and/or respiratory problems, may develop in some cases. Human Granulocytic Ehrlichiosis is caused by a bacterium of the Ehrlichiosis family that has not yet been named. The Ehrlichial bacterium is carried and transmitted by certain ticks (vectors), such as the deer tick (Ixodes dammini) and the American dog tick (Dermacentor variabilis).
Organizations related to Human Granulocytic Ehrlichiosis (HGE)
- American Lyme Disease Foundation, Inc.
PO Box 684
Somers NY 10589
Phone #: N/A
800 #: N/A
e-mail: inquire@aldf.com
Home page: http://www.aldf.com
- 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/
- Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg MD 20898-8126
Phone #: 301-251-4925
800 #: 888-205-2311
e-mail: ordr@od.nih.gov
Home page: http://rarediseases.info.nih.gov/Default.aspx
- Lyme Disease Foundation
P.O. Box 332
Tolland CT 06084-0332
Phone #: 860-870-0070
800 #: 800-886-5963
e-mail: info@lyme.org
Home page: http://www.lyme.org
- NIH/National Institute of Allergy and Infectious Diseases
6610 Rockledge Drive
MSC 6612
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)
525 23rd Street NW
Washington DC 20037
Phone #: 202-974-3000
800 #: --
e-mail: postmaster@paho.org
Home page: http://www.who.ch/
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