O. Yu. Leonteva
Northern State Medical University
Russian Federation

Olga Yu. Leonteva, Cand. of Sci. (Med.), Associate Professor of the Department of Infectious Diseases

51 Troitsky Ave., Arkhangelsk, 163069

D. A. Shanina
Northern State Medical University
Russian Federation

Daria A. Shanina, 5th year student of the pediatric faculty

51 Troitsky Ave., Arkhangelsk, 163069

Yu. S. Trusova
Northern State Medical University
Russian Federation

Yulia S. Trusova, 5th year student of the pediatric faculty

51 Troitsky Ave., Arkhangelsk, 163069

I. M. Kobelev
St. Petersburg Institute of Bioregulation and Gerontology; City Multidisciplinary Hospital № 2; First St. Petersburg State Medical University named after Academician I. P. Pavlov
Russian Federation

Ivan M. Kobelev, Cand. of Sci. (Biol.),researcher at the laboratory of age-related clinical pathology of the Autonomous scientific non-profit organization of higher education research center; Doctor of Clinical Laboratory Diagnostics, Department of Emergency Research; 2nd year resident of the Department of Clinical Laboratory Diagnostics with a course of molecular  medicine 

3 Dynamo Ave., St. Petersburg, 197110; 5 Uchebny Lane, St. Petersburg, 194354; 6-8 Lva Tolstogo Str., St. Petersburg, 197022