1. I.I. Mechnikov Research Institute of Vaccines and Sera
2. Osh Center for Disease Prevention and State Sanitary and Epidemiological Surveillance
3. Scientific Production Association «Preventive Medicine» Ministry of Health of the Kyrgyz Republic
4. Osh Interregional Joint Clinical Hospital
5. I.I. Mechnikov Research Institute of Vaccines and Sera; Russian Medical Academy of Continuous Professional Education