Scientific and practical conference "Clinical and immunological aspects of infectious diseases: age evolution" was held in Kazan. The trainers were Professor of pediatric infectious diseases sub-faculty of RMAPO of HM of RF Tatyana Chebotareva, Professor of pediatrics and neonatology sub-faculty of KSMA Stanislav Maltsev and Associate Professor of pediatrics and neonatology sub-faculty of KSMA Louise Safina. The participants of the conference were employees of Children's Municipal Hospital of Nizhnekamsk.