Incidence of pertussis in the Omsk Region

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Abstract

Objective. Analysis of pertussis incidence in the Omsk Region, taking into account age, social status, vaccination history and diagnostic timing, mainly in children aged 0 to 17 years.

Materials and methods. The data from reporting forms of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing, children’s clinic documents, and vaccination history data were analyzed. Epidemiological research methods were used. Forecasting was performed by constructing a polynomial trend line.

Results. In 2023, an increase in the pertussis incidence to 19.53 per 100 thousand population was noted in the Omsk region, mainly in the cold season (autumn-winter). Children under one year of age predominated among those infected. The proportion of unorganized children was 49.3%. Full vaccination against pertussis in sick children under 17 years of age was carried out in half of the cases. The diagnosis was laboratory-confirmed in 96.2% of cases. Every second patient was diagnosed in the first week of the disease. Information about sick adult patients is of interest.

Conclusion. The incidence of pertussis among the child population is primarily associated with low adherence to routine vaccination. It is necessary to continue the research, since an increase in the incidence is predicted in the coming years.

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About the authors

Larisa V. Puzyreva

Omsk State Medical University; City Children’s Clinical Hospital No. 3

Author for correspondence.
Email: puzirevalv@mail.ru
ORCID iD: 0000-0003-0495-3645

МD, Associate Professor, Head of the Department of Pediatric Infectious Diseases; Infectious Disease Specialist at the Admission Department

Russian Federation, Omsk; Omsk

Alexandra Ya. Nedashkovskaya

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

Email: epidotdel@55.rospotrebnadzor.ru
ORCID iD: 0009-0005-3272-3523

Head of the Epidemiological Surveillance Department

Russian Federation, Omsk

Vera A. Zheleznyak

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

Email: epidotdel@55.rospotrebnadzor.ru
ORCID iD: 0009-0008-6622-1267

Chief Expert at the Department of Epidemiological Surveillance

Russian Federation, Omsk

Natalya A. Sabaeva

City Children’s Clinical Hospital No. 3

Email: ns1702@mail.ru
ORCID iD: 0009-0009-5926-5250

Infectious Diseases Physician at the Department of Airborne Infections

Russian Federation, Omsk

Zulfiya I. Akhmetova

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

Email: epidotdel@55.rospotrebnadzor.ru
ORCID iD: 0009-0006-5231-4142

Deputy Head of the Department of Epidemiological Surveillance

Russian Federation, Omsk

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Supplementary files

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2. Fig. 1. Pertussis incidence in the Omsk Region and the Russian Federation in 2014–2023

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3. Fig. 2. Age distribution of pertussis cases in the Omsk Region in 2023

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4. Fig. 3. Seasonal incidence of pertussis in the Omsk Region in 2023 (n = 367)

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