Use of the Unified Information and Analysis System of Rospotrebnadzor in Analyzing the Incidence of Parenteral Viral Hepatitis B and C on the Example of the Nizhny Novgorod Region

Introduction: To reveal the specifics of the epidemic process of an infectious disease, the researcher must have information on the status and trends of morbidity, age and sex structure, social and occupational characteristics of patients, current risk factors and/or areas at risk, which updates the development and use of information and analysis systems in practical activities of infectious disease practitioners.

Objectives: To assess capabilities of the Unified Information and Analysis System of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing (Rospotrebnadzor) to establish features of the epidemic process of parenteral viral hepatitis B and C in the Nizhny Novgorod Region.

Methods: A retrospective analysis of the incidence of parenteral viral hepatitis B and C in 2023 was carried out using data from the Personified Registry of Infectious Diseases maintained within the Unified Information and Analysis System of Rospotrebnadzor. Data for 2017–2023 were also analyzed based on statistical reporting forms nos. 1 and 2, Information on infectious and parasitic diseases, collected by the Federal Service.

Results: The incidence of parenteral viral hepatitis B and C in 2023 was found to remain at the level of the previous year, with industrial cities of the Nizhny Novgorod Region contributing the most to its rates. Chronic hepatitis B was more prevalent in people aged 60 years and older (14.0 %000), while chronic hepatitis C – in age groups of 30–39 and 40–49 years (40.7 %000 and 61.8 %000, respectively). Among men, chronic hepatitis B and C were diagnosed 2.4 and 3.5 times more frequently than in women, respectively. The unemployed prevailed among newly reported cases.

Discussion and conclusion: The use of the Unified Information and Analysis System of Rospotrebnadzor helped establish specific features of the epidemic process of parenteral viral hepatitis B and C in the Nizhny Novgorod Region, expand understanding of the state of laboratory diagnostics and social characteristics of disease cases, and determine significant differences in morbidity rates between certain sex and age groups of the population.

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