Volume 12, Number 7, July 2006

Epidemiologic and Molecular Analysis of Human Tularemia, United States, 1964–2004

J. Erin Staples,*† Kristy A. Kubota,* Linda G. Chalcraft,* Paul S. Mead,* and Jeannine M. Petersen*
*Centers for Disease Control and Prevention, Fort Collins, Colorado, USA; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA

Figure 1. Geographic distribution for type A (red circles) and type B (yellow circles) Francisella tularensis isolates from humans, contiguous United States, 1964–2004. Each circle represents 1 isolate. Isolates were plotted randomly within the county of exposure. The 100th meridian is indicated by the black line transecting the United States. County of exposure was known for 198 (63%) isolates.

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This page last reviewed June 13, 2006

Emerging Infectious Diseases Journal
National Center for Infectious Diseases
Centers for Disease Control and Prevention