R. S. Arakelyan
Astrakhan State Medical University' of the Ministry of Health of Russia.
Russian Federation

Arakelyan Rudolf S.,PhD, Associate Professor of the Department of Infectious Diseases and Epidemiology. Astrakhan.

N. A. Sergeeva
Children’s city outpatients clinic №5.
Russian Federation

Natalia Sergeeva, Infectious disease physician.

Astrakhan.

V. Sh. Sangadzhieva
Children’s city outpatients clinic №5.
Russian Federation

Valentina Sangadzhieva, Ph.D., Chief Physician, Children's city polyclinic №5.

Astrakhan.

O. V. Konnovа
Astrakhan State Medical University' of the Ministry of Health of Russia.
Russian Federation

Valentina Sangadzhieva, Ph.D., Chief Physician, Children's city polyclinic №5.

Astrakhan.

A. N. Zagina
Astrakhan State Medical University' of the Ministry of Health of Russia.
Russian Federation

Anna Zagina, 5th year student of pediatric faculty.

Astrakhan.

A. A. Obukhova
St. Petersburg State Pediatric Medical University' of the Ministry of Health of Russia.
Russian Federation

Anna Obukhova, 5th year student of pediatric faculty.

 St. Petersburg.