M. A. Davydenko
Federal Budget Institute of Science «Central Research Institute of Epidemiology» of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing
Russian Federation

Maria A. Davydenko – Dr. Sci. (Med.), Leading Researcher, Laboratory of Epidemiology of Meningococcal Infection and Purulent Bacterial Meningitis

3a, Novogireevskaya str., Moscow, 111123 +7 (916) 363-82-48

N. S. Churilova
Federal Budget Institute of Science «Central Research Institute of Epidemiology» of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing
Russian Federation

Nadezhda S. Churilova – Junior Researcher, Laboratory of Epidemiology of Meningococcal Infection and Purulent Bacterial Meningitis

Moscow

I. S. Koroleva
Federal Budget Institute of Science «Central Research Institute of Epidemiology» of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing
Russian Federation

Irina S. Koroleva – Dr. Sci. (Med.), Professor, Head of the Laboratory of Epidemiology of Meningococcal Infection and Purulent Bacterial Meningitis

Moscow