1. Department of Epizootiology with Clinic of Bird and Exotic Animals, Wroclaw University of Environmental and Life Sciences, Wrocław, Poland.
2. Department of Microbiology, Institute of Genetics and Microbiology, University of Wroclaw, Wrocław, Poland.
3. Department of Immunology of Infectious Diseases, Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland.