V. V. Semerikov
Perm State Medical University named after academician E.А. Wagner
Russian Federation

Vadislav V. Semerikov – Doctor of Sciences (Medicine), Professor of the Department of Epidemiology and Hygiene 

26, Petropavlovsk st., Perm, 614990

N. V. Yuminova
Research Institute of Vaccines and Sera named after I.I. Mechnikov
Russian Federation

Nadezhda V. Yuminova – Doctor of Sciences (Biology), Associate Professor, the Head of the Laboratory of Pediatric Viral Infections 

5а, Maly Kazenny lane, Moscow, 105064

N. O. Postanogova
Perm State Medical University named after academician E.А. Wagner
Russian Federation

Nina O. Postanogova – assistant of Department of Pediatrics with a course of outpatient pediatrics 

26, Petropavlovsk st., Perm, 614990

L. V. Sofronova
Perm State Medical University named after academician E.А. Wagner
Russian Federation

Sofronova L. Vasilievna – Doctor of Sciences (Medicine), Professor of the Department of Pediatrics with a course of outpatient pediatrics 

26, Petropavlovsk st., Perm, 614990