T.V. Zharnikova - Ph.D. (Biol.), Senior Researcher, Specialist Training Laboratory, Stavropol Antiplague Institute of Rospotrebnadzor E-mail: tvzhara@yandex.ru D.A. Kovalev - Ph.D. (chemistry), Senior Researcher, Laboratory of Biochemistry, Stavropol Antiplague In-stitute of Rospotrebnadzor E-mail: alcheem@mail.ru I.V. Zharnikova - Dr.Sc. (Biol.), Leading Researcher, Science-Practical Laboratory of Preparations for Diagnostic of Dangerous and other Infections, Stavropol Antiplague Institute of Rospotrebnadzor Е-mail: IVJ-biotech@yandex.ru T.V. Taran - Dr.Sc. (Med.), Head of the Specialist Training Laboratory, Stavropol Antiplague Institute of Rospotrebnadzor E-mail: lab.ps@yandex.ru M.E. Mihaylova - Researcher, Specialist Training Laboratory, Stavropol Antiplague Institute of Rospotrebnadzor E-mail: mikhailova.ma@yandex.ru