On November 2, 2022, on the basis of the South Ukrainian Center for the Professional Development of Managers and Specialists in the Socioeconomic Field of the Ushynsky University, within the framework of professional development courses under the program "Pre-medical assistance in pedagogical practice" Topchii Maria Serhiivna, PhD in Biology, Head of the Department of Biology and Health Care, held classes for teachers of Odesa comprehensive secondary school No. 27, grades I-III, Odesa city council in Odesa region.