E.V. AGAFONOVA1,3, T.G. МALANICHEVA 1,2, N.V. ZIATDINOVA1 1Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012 2Children’s Republican Clinical Hospital of the Ministry of Health of the Republic of Tatarstan, 140 Orenburgskiy Trakt, Kazan, Russian Federation, 420138 3 Kazan Scientific and Research Institute of Epidemiology and Microbiology of Rospotrebnadzor, 67 B. Krasnaya Str., Kazan, […]