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Evidence of Infection in Humans with Rickettsia helvetica in Eastern France

Pierre-Edouard Fournier, Fabienne Grunnenberger, Benoît Jaulhac and 2 more

Emerging Infectious Diseases · 2000 · Case report

doi:10.3201/eid0604.000412

Abstract

A 37-year-old man living in eastern France seroconverted to Rickettsia helvetica in August 1997, 4 weeks after the onset of an unexplained febrile illness. Results of a serosurvey of forest workers from the area where the patient lived showed a 9.2% seroprevalence against R. helvetica. This organism may pose a threat for populations exposed to Ixodes ricinus ticks.

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