O. I. Ignatieva
National Research Ogarev Mordovia State University
Russian Federation

Olga I. Ignatieva, Cand. Sci. (Med.), Associate Professor of the Department of Psychiatry, Narcology and Neurology

68, Bolshevistskaya St., Saransk, Republic of Mordovia, 430005

V. F. Pavelkina
National Research Ogarev Mordovia State University
Russian Federation

Vera F. Pavelkina, Dr. Sci. (Med.), Professor, Head of the Department of Infectious Diseases with courses in Epidemiology, Phthisiology, Dermatovenerology

68, Bolshevistskaya St., Saransk, Republic of Mordovia, 430005

V. N. Ignatiev
National Research Ogarev Mordovia State University
Russian Federation

Vladimir N. Ignatiev, Cand. Sci. (Med.), Associate Professor of the Department of Infectious Diseases with courses in Epidemiology, Phthisiology, Dermatovenerology

68, Bolshevistskaya St., Saransk, Republic of Mordovia, 430005

A. A. Erovichenkov
Chumakov Federal Scientific Center for Research and Development of Immunobiological Drugs of the Russian Academy of Sciences (Polio Institute)
Russian Federation

Alexander А. Erovichenkov, Dr. Sci. (Med.), Professor, Head of the Clinical Department

29, Bldg. 5, Krzhizhanovsky St., Moscow, 117218