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Laboratory-Acquired Tularemia Successfully Treated With Ciprofloxacin: A Case Report

Lam, Sherrell T. MD*; Sammons-Jackson, Wendy PhD; Sherwood, Jeffrey MD‡§; Ressner, Roseanne DO‡§

Infectious Diseases in Clinical Practice:
doi: 10.1097/IPC.0b013e318234c383
Case Reports
Abstract

Abstract: Francisella tularensis continues to cause laboratory-acquired infection despite vaccination and biosafety precautions. Of the clinically relevant strains, subspecies tularensis (type A) is more virulent. Diagnosis requires a high index of suspicion, as symptoms can be nonspecific and may mimic other illnesses. Treatment can be problematic, as the drug of choice has significant adverse effects and can only be administered parenterally. We present a case of laboratory-acquired tularemia, suspected type A, in a 38-year-old female microbiologist. Her treatment course was complicated by delay in diagnosis owing to intercurrent pandemic H1N1 influenza, progression on doxycycline, and adverse effects from streptomycin. She was successfully treated with ciprofloxacin, 750 mg by mouth twice daily. Currently, there is limited clinical experience using fluoroquinolones for tularemia, especially for type A strains. The case illustrates how fluoroquinolones have great potential as an alternative agent in the treatment of tularemia.

Author Information

From the *Internal Medicine Service, Walter Reed Army Medical Center, Washington, DC; †United States Army Medical Research Institute of Infectious Disease, Fort Detrick, MD; ‡Infectious Diseases Service, Walter Reed Army Medical Center, Washington, DC and §Uniformed Services University of the Health Sciences, Bethesda, MD.

Correspondence to: Roseanne Ressner, DO, Walter Reed National Military Medical Center, 8901 Wisconsin Avenue, Building 7, First floor, Bethesda, MD 20889-0001. E-mail: Rose.ressner@us.army.mil.

The authors have no funding or conflicts of interest to disclose.

Disclaimer: The views expressed in this article are those of the authors and do not reflect the official policy of the Department of Army, the Department of Defense, or the US Government.

© 2012 Lippincott Williams & Wilkins, Inc.