Using spatial methods of epidemiological data analysis to improve HIV surveillance
- Authors: Sarskov S.A.1, Vyushkov M.V.1, Zaitseva N.N.1
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Affiliations:
- Academician I.N. Blokhina Nizhny Novgorod Scientific Research Institute of Epidemiology and Microbiology
- Issue: Vol 42, No 6 (2025)
- Pages: 144-152
- Section: Preventive and social medicine
- URL: https://journals.rcsi.science/PMJ/article/view/381426
- DOI: https://doi.org/10.17816/pmj426144-152
- ID: 381426
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Abstract
Objective. To develop a geographic information system (GIS) for improvement in epidemiological surveillance for HIV infection in Volga Federal District (VFD), aimed at increasing the effectiveness of monitoring, analyzing spatiotemporal patterns of the infection spread, and optimizing preventive and anti-epidemic measures.
Materials and methods. The developed system is a web resource comprising a web application, an administration module, and a database management system.
Statistical materials used in the study are: Federal State Statistical Observation forms N61 (“Data on HIV-infected Patient Population”), N4 (“Data on Results of HIV Antibody Blood Tests”), N2 (“Data on Infectious and Parasitic Diseases”); data from the Priority National Project “Prevention of HIV infection, Hepatitis B and C, and Identification and Treatment of HIV Patients”; statistical data from the centers for the prevention and control of AIDS and infectious diseases in the Volga Federal District; classifiers of the administrative-territorial division of the Russian Federation; population statistics for VFD regions.
Results. The web application was developed based on the software program "Basic Module "Epidemiological Atlas of Russia" from the existing “Epidemiological Atlas of Russia. Federal District Territory" with key improvements in architectural optimization, unification of data processing logic and performance enhancements achieved through code refactoring. A standardized database model was implemented to systematize the input and resulting epidemiological parameters. Based on user query parameters, the web application dynamically generates an array of epidemiological data with annual temporal resolution and regional spatial detail, visualizing the data through tabular, graphical, and cartographic interfaces.
Conclusions. The “Epidemiological Atlas for HIV Infection” represents a comprehensive modernization of the “HIV Infection in VFD” section from the Epidemiological Atlas of Volga Federal District. It is designed to improve and optimize the system of epidemiological surveillance for HIV infection, improve the level of epidemiological assessment of specific features and trends in the epidemic process, provide objective spatial characteristics of HIV incidence in the regions of the district and in Volga Federal District as a whole for timely planning of preventive and anti-epidemic measures. The approach presented for implementation allows for the collection of necessary epidemiological data on HIV infection in any federal district, or the centralized accumulation of data in case of its replication and/or scaling. In the context of healthcare digitalization, this system can become a component of the state strategy for combating HIV infection.
About the authors
S. A. Sarskov
Academician I.N. Blokhina Nizhny Novgorod Scientific Research Institute of Epidemiology and Microbiology
Author for correspondence.
Email: Sarskov@bk.ru
ORCID iD: 0000-0002-5221-0638
Researcher of the Laboratory of GIS Technologies and Bioinformatics
Russian Federation, Nizhny NovgorodM. V. Vyushkov
Academician I.N. Blokhina Nizhny Novgorod Scientific Research Institute of Epidemiology and Microbiology
Email: Sarskov@bk.ru
ORCID iD: 0000-0002-7763-8198
Researcher of the Laboratory of GIS Technologies and Bioinformatics
Russian Federation, Nizhny NovgorodN. N. Zaitseva
Academician I.N. Blokhina Nizhny Novgorod Scientific Research Institute of Epidemiology and Microbiology
Email: Sarskov@bk.ru
ORCID iD: 0000-0001-5370-4026
DSc (Medicine), Director
Russian Federation, Nizhny NovgorodReferences
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