**About the Editors**

**Katarzyna Dudek** graduated in Veterinary Medicine at the University of Life Sciences in Lublin (Poland) and received a PhD in Animal Physiology from the same institution. In 2019, she received a DSc degree in Agricultural Sciences in the discipline of Veterinary Sciences from the National Veterinary Research Institute in Pulawy (Poland) where she has been working since 2006. Her main activities and responsibilities involve diagnostics of ruminant mycoplasmas, veterinary immunology, and Mycoplasma bovis vaccine studies. She is the author of 49 review and research papers featured in the Journal and Citation Reports list.

**Ewelina Szacawa** graduated in Biotechnology at the University of Life Sciences in Lublin (Poland). Since 2008, she has been working in the National Veterinary Research Institute in Pulawy (Poland) where she obtained her PhD in Veterinary Sciences in 2016. Her main researches are focused on diagnostics of ruminant mycoplasmas, veterinary immunology, and molecular studies on Mycoplasma bovis. She has published 15 papers listed in Journal and Citation Reports.