Analysis of norovirus infection incidence in Omsk Region. Epidemiоlоgy and infectious diseases

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Objective. Assessment of the incidence and seasonality of norovirus infection (NVI) among children under 17 years of age in the Omsk region from 2017 to 2023.

Materials and methods. Official reporting forms with epidemiological data for 2017–2023 were used.

Results. The region has been experiencing a consistently high rate of confirmed cases of viral intestinal diseases (from 82.6% to 91.8%) among the entire population of the region for 7 years. The share of NVI increased from 8.1 to 25.1%, while the frequency of registration of cases of the disease in persons under 17 years of age ranged from 70.0 to 79.1%. Norovirus gastroenteritis was registered in children of all ages. The highest rates were observed in the age group from 1 year to 6 years, while cases of the disease were more common in children attending preschool institutions. Among children over 7 years of age, the incidence of norovirus infection decreased. Seasonality for NVI in the Omsk region was typical.

Conclusion. Most often, NVI affects organized preschool children, mainly in the cold season. The increase in the incidence of viral intestinal infections requires an expansion of the spectrum and volume of diagnostic virological studies.

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作者简介

Larisa Puzireva

Omsk State Medical University

编辑信件的主要联系方式.
Email: puzirevalv@mail.ru
ORCID iD: 0000-0003-0495-3645

МD, Associate Professor, Head, Department of Pediatric Infectious Diseases

俄罗斯联邦, Omsk

Olga Sivolapova

Office of the Russian Federal Service for Supervision of Consumer Rights Protection and Human Well-Being in Omsk Region

Email: Yason_1970@mail.ru
ORCID iD: 0009-0007-2502-7372

Chief Specialist-Expert of Epidemiological Surveillance

俄罗斯联邦, Omsk

Konstantin Kuleshov

Central Research Institute of Epidemiology, Russian Federal Service for Supervision of Consumer Rights Protection and Human Well-Being

Email: konstantinkul@gmail.com
ORCID iD: 0000-0002-5238-7900

Cand. Biol. Sci., Head, Laboratory of Molecular Diagnostics and Epidemiology of Intestinal Infections

俄罗斯联邦, Moscow

Victoria Sergeeva

Infectious Diseases Hospital for Children, A.N. Kabanov City Clinical Hospital № 1

Email: lupanova2123@mail.ru
ORCID iD: 0009-0006-6636-073X

Pediatrician

俄罗斯联邦, Omsk

参考

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2. Fig. 1. Incidence of NVI among children depending on age in Omsk Region from 2017 to 2023

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3. Fig. 2. Seasonality of NVI incidence in Omsk Region in 2015-2019 (A) and in 2023 (Б) (per 100,000 population)

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