Ya.R. MANGUSHEVA, I.M. KHAERTYNOVA, L.I. MALTSEVA Kazan State Medical Academy, 11 Mushtary St., Kazan, Russian Federation, 420012 Mangusheva Ya.R. — Cand. Med. Sc., Assistant Lecturer of the Department of Infectious Diseases, tel. (843) 267-80-95, e-mail: nulik1978@mail.ru Khaertynova I.M. — D. Med. Sc., Professor, Hеad of the Department of Infectious Diseases, tel. (843) 267-81-17, e-mail: i.khaertynova@gmail.com Maltseva L.I. — D. […]