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Clinical features and serology of 14 dogs affected by granulocytic ehrlichiosis in Sweden
  1. A. E. Egenvall, DVM1,
  2. Å. A. Hedhammar, VDM, MSc, PhD1 and
  3. A. I. Bjöersdorff, DVM2
  1. 1 Department of Medicine and Surgery, Swedish University of Agricultural Sciences, Box 7037, S-750 07 Uppsala, Sweden
  2. 2 Veterinärgruppen Sverige AB, Nybro Djurklinik, S-382 34 Nybro, Sweden


The clinical features and the titres to Ehrlichia equi, E canis, E risticii, Rickettsia rickettsii and Borrelia afzelii in 14 Swedish dogs, in which ehrlichiosis was diagnosed on the basis of the presence of inclusions in granulocytes, are reported. Most of the dogs were moderately ill but made a rapid recovery after treatment with doxycycline. The dogs with inclusions were thrombocytopenic. Analysis of the antibody titres indicates that serology to E equi will remain the most appropriate serological test for granulocytic ehrlichiosis in Swedish dogs, until a specific test is developed for detecting the recently identified subspecies of Ehrlichia.

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