Ivana Klun, DVM, PhD, Research Assistant, Aleksandra Uzelac, MSc, Research Assistant, Aleksandra Nikolić, MD, PhD, Professor of Research, Branko Bobić, MD, PhD, Professor of Research, Olgica Djurković-Djaković, MD, PhD, Professor of Research, University of Belgrade, Institute for Medical Research, Department of Medical Parasitology - Centre of Excellence for Food- and Vector-borne Zoonoses, National Reference Laboratory for Toxoplasmosis, Dr. Subotića 4, 11129 Belgrade, Serbia