I.V. NIKOLAEVA, R.F. KHAMITOV, A.I. AKHMETZIANOVA Kazan State Medical University of the Ministry of Health of the Russian Federation, Kazan Contact: Nikolaeva I.V. – MD, Professor, Head of the Department of Infectious Diseases Address: 49 Butlerov Str., Kazan, Russian Federation, 420012, tel. +7-900-326-03-48, e-mail: IrinaNicolaeva@mail.ru  Chickenpox is a highly contagious disease occurring predominantly in childhood. […]