E. R. Tsoy
City Mariinsky Hospital
Russian Federation

Ekaterina R. Tsoy - epidemiologist at City Mariinsky Hospital.

56 Liteyny prospert, St. Petersburg, 191104.

L. P. Zueva
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Ludmila P. Zueva - Dr. Sci. (Med.), Professor, Head of the Department of Epidemiology, Parasitology and Disinfection at North-western State Medical University named after I.I. Mechnikov.

41 Kirochnaya str., St. Petersburg, 191015.

S. M. Mikaelyan
City Mariinsky Hospital
Russian Federation

Siranush M. Mikaelyan - epidemiologist, City Mariinsky Hospital.

56 Liteyny prospert, St. Petersburg, 191104.

B. M. Taits
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Boris M. Taits - Dr. Sci. (Med.), Professor, Head of the Department, Public Health and Health Management at North-western State Medical University named after I.I. Mechnikov.

41 Kirochnaya str., St. Petersburg, 191015.