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Tularemia is a bacterial zoonotic disease caused by Francisella tularensis. It usually affects wild mammals, but it can be transmitted to humans and domesticated animals (sheep and cats are especially susceptible). Some common wild animal hosts include lagomorphs (rabbits and hares), muskrats, beavers, squirrels, voles, rats, and mice. Ticks and deer flies are common vectors of the disease. The bacteria can be transmitted by ingestion, inhalation, direct contact with mucous membranes and broken skin, or arthropod-borne transfer. Six different forms of tularemia can affect humans, and the type of illness depends on the route of infection. Tularemia became reportable in North Dakota in 1944.

2016 County Data*

*Data is preliminary. Numbers are for human cases only.



Tularemia Historical Data

Year Number of Cases
2007 0
2008 3
2009 0
2010 1
2011 2
2012 3
2013 0
2014 4
2015 5
2016 0
2017 1
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