Tularemia (also known as "rabbit fever") is an infectious disease caused by the bacterium Francisella tularensis. The disease is endemic in North America, and parts of Europe and Asia. The primary vectors are ticks and deer flies, but the disease can also be spread through other arthropods. Rodents, rabbits, hares and ticks often serve as reservoir hosts. The disease is named after Tulare County, California.
Francisella tularensis is an intracellular bacterium, meaning that it is able to live as a parasite within host cells. It primarily infects macrophages, a type of white blood cell. It is thus able to evade the immune system. The course of disease involves spread of the organism to multiple organ systems, including the lungs, liver, spleen, and lymphatic system. The course of disease is similar regardless of the route of exposure. Mortality in untreated (pre-antibiotic-era) patients has been as high as 50% in the pneumoniac and typhoidal forms of the disease, which however account for <10% of cases. Overall mortality was 7% for untreated cases, and the disease responds well to antibiotics with a fatality rate of about 2%. The exact cause of death is unclear, but it is thought be a combination of multiple organ system failures.
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Vector Borne
Zoonoses
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Center for Biosecurity: Tularemia - Disease fact sheet.
Centers for Disease Control and Prevention: Tularemia - Includes fact sheets, laboratory testing information, and infection control for health professionals.
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CIDRAP: Tularemia - Medical overview aimed at clinicians in identifying and treating tularemia, along with updated news and links related to the disease.
JAMA: Tularemia as a Biological Weapon: Medical and Public Health Management - Extensive research article from the Journal of the American Medical Association.
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JAVMA: Tularemia outbreak identified in pet prairie dogs - Journal article of an outbreak in prairie dogs from a Texas facility.
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Medical Aspects of Chemical and Biological Warfare: Tularemia - Chapter from the textbook on tularemia in .pdf form.
MEDLINEplus Medical Encyclopedia: Tularemia - Features cause, symptoms, carriers, prevention, treatment, and prognosis.
New England Journal of Medicine: Tularemia Revisited - Article on recent outbreaks of the disease.
Meta Description: [ Editorial from The New England Journal of Medicine -- Tularemia Revisited ]
Tularemia Information: CDC Division of Vector-Borne Infectious Diseases (DVBID) - Information on the disease for the general public.
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