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Interdependence of ARVI and new coronavirus infection incidence in the Republic Sakha (Yakutia) at present period

Abstract

Acute respiratory viral infections (ARVI) are among the most common infectious diseases. Given the fact that SARS-CoV-2 has a similar transmission route with other ARVI pathogens, assessing the impact of this pathogen on the overall incidence of ARVI is an important issue in modern healthcare. The aim of the research was to study relationship between incidence of acute respiratory viral infections and a COVID-19 in the Republic of Sakha (Yakutia) at present period.

Results. Epidemiological analysis of the ARVI incidence in the Republic of Sakha (Yakutia) showed periods of continuous excess of epidemic threshold as well as increase in the growth rate of the weekly incidence of acute respiratory viral infections compared with previous weeks for the period from 01 March to 10 September of year 2022. The characteristic of ARVI morbidity in different age groups was given. The impact of the child population on the epidemic process of SARS in the Republic of Sakha (Yakutia) was shown. Comparative analysis of ARVI incidence during year 2022 with the same period of the year 2021 was performed in order to reveal differences of the epidemic process dynamics.Comparison of ARVI pathogens etiological structure in Yakutia that was based on laboratory data were analyzed during years 2022 2019 and 2021. Influence of COVID-19 pandemic and various SARS-CoV-2 genovariants (alpha, delta and omicron) on the dynamics of the epidemic process of SARS in different periods of observation was demonstrated for years 2021 and 2022. Analysis showed that emergence of new SARS-CoV-2 variants is accompanied by an increase of ARVI incidence.An increase of different ARVI pathogens abundance, including human coronavirus (HCoV), human metapneumovirus and bocavirus, was noted during years 2021 and 2022 compared to 2019. Should be noted that parainfluenza virus types 1,3 were most prevalent during the three years of observation. Correlation analysis did not show a relationship between frequency detection of the ARVI viruses and ARVI incidence, with the exception of the H3N2 influenza virus, which during the first four months of year 2022 contributed to ARVI epidemic process.

Conclusions: Emergence of the SARS-CoV-2 virus, especially its new genetic variants, had a significant impact not only on the ARVI incidence among the population of the Republic Sakha (Yakutia), but also on the etiological structure of other respiratory viruses that were circulating during years 2021 and 2022.

About the Authors

E. A. Bazykina
FBUN Khabarovsk research institute of epidemiology and microbiology of the Federal service for surveillance on consumers rights protection and human wellbeing
Russian Federation

Khabarovsk



O. E. Trotsenko
FBUN Khabarovsk research institute of epidemiology and microbiology of the Federal service for surveillance on consumers rights protection and human wellbeing
Russian Federation

Khabarovsk



T. V. Korita
FBUN Khabarovsk research institute of epidemiology and microbiology of the Federal service for surveillance on consumers rights protection and human wellbeing
Russian Federation

Khabarovsk



M. E. Ignatyeva
Republic Sakha (Yakutia) Rospotrebnadzor regional office
Russian Federation

Yakutsk



L. V. Budatsirenova
Republic Sakha (Yakutia) Rospotrebnadzor regional office
Russian Federation

Yakutsk



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Review

For citations:


Bazykina E.A., Trotsenko O.E., Korita T.V., Ignatyeva M.E., Budatsirenova L.V. Interdependence of ARVI and new coronavirus infection incidence in the Republic Sakha (Yakutia) at present period. Far Eastern Journal of Infectious Pathology. 2022;(43):14-26. (In Russ.)

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ISSN 2073-2899 (Print)