Prof. Zidovec is a Fellow of the European Society for Clinical Microbiology and Immunology (ESCMID), has served as a member of the ESCMID Programme Committee, ESCMID Educational Subcommittee and is a scientific advisor in clinical medical sciences at the University of Zagreb School of Medicine. She is a principal investigator of a scientific project funded by the Croatian Science Foundation project and has been the principal investigator and researcher in national and international projects focusing on molecular virology and immunology, including projects of the Scientific Center of Excellence in Viral Immunology and Vaccinology. Her areas of expertise include molecular epidemiology of HIV, viral hepatitis, CNS infections, vector-borne diseases, infections with herpes viruses, resistance to antiviral drugs, cellular immunology as well as cytokine responses in human infectious diseases. Her publications are available for review in PubMed as: Zidovec Lepej S, Lepej SZ and Zidovec S.