Dr Borys Błaszczak is a adjunct in the Division of the Pathology of Avian, Exotic, Laboratory and Non-domesticated Animals and Fish WULS. He graduated from the Faculty of Veterinary Medicine in Warsaw in 1990. He received the title of the doctor of veterinary medicine in 2000. His doctoral thesis concerned “Carrier-state and shedding Salmonella enterica subspecies enterica serotype Enteritidis in hens and ways to prevent infection in newly hatched chicks“. He completed postgraduate study in Fish Diseases and become the Fish Medicine Specialist in 2013. He manages the websites, which are associated with the Faculty of Veterinary Medicine WULS. He participated in the organization of many conferences. In IVPA Team he is responsible for the website.