S.A. SEMENOV, G.R. KHASANOVA Kazan State Medical University, Kazan  Contact details: Semenov S.A. — post-graduate student of the Department of Epidemiology and Evidence-based Medicine Address: 6/30 Tolstoy St., Russian Federation, Kazan, 420000, tel.: +7-919-679-40-47, e-mail: sergejsemenov596@gmail.com Streptococcus pneumoniae is responsible for a wide range of human diseases, often with a severe course and prognosis. The […]