• C Bloch, A Friedl, F Zucol, A Widmer, and N Khanna.
• Klinik für Infektiologie und Spitalhygiene, Universitätsspital Basel, Petersgraben 4, 4031 Basel, Schweiz. blochc@uhbs.ch
• Internist (Berl). 2013 Apr 1; 54 (4): 491497491-7.

AbstractWe report on 4 patients with different types of tularemia acquired in Switzerland or nearby countries. All patients presented with fever, moderate to highly elevated signs of inflammation, and local lymphadenopathy. Additionally, 3 patients did not respond to empirical antimicrobial therapy with aminopenicillins. A tick bite was identified as mode of transmission in 2 patients, while 1 patient showed a possible connection to a tick bite. The route of transmission for the fourth patient remained unknown. The diagnosis of tularemia was either based on positive serology, on a positive polymerase chain reaction (PCR) from the lymph node samples or on positive blood cultures. The treatment in adult patients was ciprofloxacin 500-750 mg twice daily orally for 3 weeks. The pediatric patient was treated with gentamicin 4 mg/kg i.v. once daily for 1 week and ciprofloxacin 15 mg/kg twice daily orally for another 2 weeks. All patients recovered completely. Due to the increasing incidence of tularemia in Switzerland, this infection should be considered in patients with fever and lymph node enlargement particularly after tick bite. We recommend treatment with ciprofloxacin orally for 14-12 days.

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