Serological evidence of Borrelia burgdorferi sensu lato in horses and cattle from Poland and diagnostic problems of Lyme borreliosis.

In the course of epizootological research on Lyme borreliosis in animals, the serological evidence of this zoonosis in horses and cattle from different voivodships of Poland was screened. We also discussed some diagnostic problems of Lyme borreliosis resulting from, in addition to other factors, genetic and geographical heterogeneity isolates B. burgdorferi s.