Ivan Toplak is an associate professor on Veterinary faculty, University of Ljubljana. His field of interest in research work are epidemiology of especially dangerous diseases and molecular diagnostics of viral diseases. His main research and professional work is in the field of pestiviruses (bovine viral diarrhea virus (BVDV), classical swine fever (CSF) virus, Border disease virus), Aujeszky’s disease virus, African swine fever virus, porcine reproductive and respiratory syndrome (PRRS) virus, swine vesicular disease virus, porcine circovirus type 2, rabies virus, hepatitis E virus (HEV), diagnostics of bee viruses (ABPV, BQCV, CBPV, DWV, SBV), porcine epidemic diarrhea virus (PEDV), Schmallenberg virus, coronaviruses, respiratory viruses in cattle and others.