N.M. NAGOVITSYNA1, A.T. KHAERTDINOV1, L.I. MALTSEVA2, I.M. KHAERTYNOVA2  1Kama Children’s Medical Center, Naberezhnye Chelny 2Kazan State Medical Academy — Branch Campus of the FSBEI FPE RMACPE MOH Russia, Kazan  Contact details: Nagovitsyna N.M. — Deputy Chief Doctor for pediatric care, infection disease doctor Address: 18 Korolev St., Naberezhnye Chelny, Russian Federation, 423800, tel.: +7 (8552) 30-60-00, e-mail: Natalya.Nagovicyna@tatar.ru […]