On October 25, 2017 staff of the Department of Pediatrics and senior students took part in the scientificpractical seminar “Actual problems of pediatrics” under the Association of Pediatricians in Ukraine, National Medical University named afterO.O. Bogomolets, Sumy State University, Health Department of the Sumy Region State Administrationauspices. Bynda T.P., ass. prof. reported on the topic “Acute rhinosinusitis in children: biological therapy and its effectiveness.”