Serological evidence of human granulocytic ehrlichiosis in Switzerland

Eur J Clin Microbiol Infect Dis. 1998 Mar;17(3):207-9. doi: 10.1007/BF01691120.


To investigate whether human granulocytic ehrlichiosis (HGE) is prevalent in Switzerland, 1515 human serum samples from individuals with different risks for tick exposure were tested for antibodies to Ehrlichia phagocytophila, a surrogate marker of the agent of HGE. The distribution of titres showed marked differences between sera of individuals with no or low risk for tick exposure and those with a high risk. The results of serological testing provided evidence of HGE in Switzerland as well as evidence of two types of coinfections: those with the agent of HGE and Borrelia burgdorferi, and those with the agent of HGE and the central European tickborne encephalitis virus.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antibodies, Bacterial / blood
  • Ehrlichia
  • Ehrlichiosis / epidemiology*
  • Granulocytes / microbiology
  • Humans
  • Infant, Newborn
  • Prevalence
  • Switzerland / epidemiology


  • Antibodies, Bacterial