Considerable increase (average 70%) of rabies cases in animals on Lower Silesia, occurred in second half of the decade 1983-1992. Foxes were a reservoir of the virus and epizootic spread of the disease had been noted among them. In other animal species, both wildlife and domestic, only sporadic outbreaks were noted. They were a consequence of contact of these animals with infected foxes, in which from 85% to 90% incidences a year were stated. Parallel rise of rabies cases in cats makes this animal the most important potential vector of the disease to man.