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Tularemia (Francisella tularensis)


Image courtesy of Baylor College of Medicine HGSC


Rabbit fever, Deer fly fever, lawn mower disease

Classification of organism:


Description of organism:

Gram-negative, non-motile coccobacillus (rod-shaped bacteria).

Symptoms of disease:

Chills, Fever, Headache, Joint stiffness, Muscle pains


The organism attacks and spreads to humans "by contact with infected animals or vectors such as ticks, mosquitos, and deer flies." (1) Bacteria can also be inhaled.


Approximately 125 cases per year in the U.S.

Where found:

Lives in small mammals such as voles, rabbits, and muskrat.


Tularemia can be fatal if not treated with antibiotics.

Effective weapons

Antibiotics such as streptomycin and tetracycline.


  1. Francisella tularensis. (2009, October 4). In Wikipedia, The Free Encyclopedia. Retrieved October 21, 2009, from http://en.wikipedia.org/w/index.php?title=Francisella_tularensis&oldid=317877783
  2. Tularemia. (2008 Jan 30) Center for Disease Control and Prevention (CDC). Retrieved Oct 21, 2009 http://www.cdc.gov/Tularemia/
  3. Tularemia. Mayo Clinic. Retrieved Oct 21, 2009 http://www.mayoclinic.com/health/tularemia/DS00714