National Organization for Rare Disorders, Inc.
- Redwater Fever
Babesiosis is a rare infectious disease caused by single-celled microorganisms (protozoa) belonging to the Babesia family. It is believed that the Babesia protozoa are usually carried and transmitted by ticks (vectors). Babesiosis occurs primarily in animals; however, in rare cases, babesiosis infection may occur in humans. Certain Babesia species are known to cause babesiosis infection in humans (e.g., Babesia microti), and the deer tick is a known vector. Human babesiosis infection may cause fever, chills, headache, nausea, vomiting, and/or muscle aches (myalgia). Symptoms may be mild in otherwise healthy people; in addition, some infected individuals may exhibit no symptoms (asymptomatic). However, a severe form of babesiosis, which may be life-threatening if untreated, may occur in individuals who have had their spleens removed (splenectomized) or who have an impaired immune system. A different form of babesiosis has been reported in Europe that is associated with a more severe expression of symptoms.
Lyme Disease Foundation
P.O. Box 332
Tolland, CT 06084-0332
Centers for Disease Control and Prevention
1600 Clifton Road NE
Atlanta, GA 30333
NIH/National Institute of Allergy and Infectious Diseases
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World Health Organization (WHO)
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Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
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This is an abstract of a report from the National Organization for Rare Disorders, Inc.® (NORD). Cigna members can access the complete report by logging into myCigna.com. For non-Cigna members, 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.
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Last Updated: 4/8/2009
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