M.I. Lukashov - Ph. D. (Med.), Dr. Sc. Candidate, Southwest State University (Kursk) A.G. Ustinov - Dr. Sc. (Med.), Professor, Pirogov Russian National Research Medical University (Moskow). E-mail: algeus@mail.ru M.V. Artemenko - Ph. D. (Biol.), Associate Professor, Southwest State University (Kursk). E-mail: artem1962@mail.ru E.V. Pismennay - Ph. D. (Med.), Kursk Regional Clinical Dermatovenerologic Dispensary