COVID-19 in Russia. Spring-Summer Period of the Pandemic 2020

Relevance. The actuality of the study is due to the beginning of a new rise in the incidence of COVID-19 in the autumn of 2020 in the world and the need to study the features of the COVID-19 epidemic process for monitoring and forecasting the epidemic situation for its spread. Aim. Identification of...

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Main Authors: L. S. Karpova, D. A. Lioznov, K. A. Stolyarov, N. M. Popovtseva, T. P. Stolyarova
Format: Article
Language:Russian
Published: Numikom LLC 2021-01-01
Series:Эпидемиология и вакцинопрофилактика
Subjects:
Online Access:https://www.epidemvac.ru/jour/article/view/1132
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author L. S. Karpova
D. A. Lioznov
K. A. Stolyarov
N. M. Popovtseva
T. P. Stolyarova
author_facet L. S. Karpova
D. A. Lioznov
K. A. Stolyarov
N. M. Popovtseva
T. P. Stolyarova
author_sort L. S. Karpova
collection DOAJ
description Relevance. The actuality of the study is due to the beginning of a new rise in the incidence of COVID-19 in the autumn of 2020 in the world and the need to study the features of the COVID-19 epidemic process for monitoring and forecasting the epidemic situation for its spread. Aim. Identification of features of morbidity, from March to September 2020 was based on data from the Ministry of health of Russia on the incidence and mortality from COVID-19 and from the date Influenza Research Institute on the weekly incidence of COVID-19, hospitalization and deaths in various age groups in 48 cities located in 8 Federal districts. Results. The dynamics of weekly morbidity and mortality in the Russian population from COVID-19 is presented. A noticeable increase in the incidence began from March 30 to April 5, 2020, and the peak of the epidemic was registered 6 weeks later. Within 3 months, the incidence decreased by more than 2 times and was minimal at the end of August. The order of involvement of Federal districts in the COVID-19 epidemic has been determined. The indicators of morbidity, hospitalization, and mortality were calculated, and the role of various age groups in the morbidity and mortality of the population from COVID-19 was shown. Differences in morbidity and mortality in Federal districts are shown. Conclusion. The rise in morbidity in Russia began much later than in Europe, in the week of the peak of the epidemic in this region. The epidemic started in the Southern FD, then in the Central and Far Eastern FD, and then every week-in the Siberian, Volga and Ural FD, and 3 weeks later (in June)-in the North-Western and North-Caucasian FD. By the beginning of the seasonal rise in ARI, morbidity and mortality rates remained high, especially in the Far Eastern and North-Western districts. The incidence of the adult population was 2.5-3.4 times higher than that of children. The mortality rate among people over 65 years of age was 8.8 times higher than among those aged 15-64 years. In the total population incidence of COVID-19, the proportion of people aged 15-64 years was 74.3%, and in mortality from COVID-19 - 34.1%, and those over 65 years, on the contrary, in morbidity -18.6%, and in mortality -65.9%. The highest rates of morbidity and mortality were found in the Far Eastern, Southern, Siberian and Central districts with a high incidence, primarily of people over 65 years of age. Lethality rates were higher in districts with a low rate of hospitalization.
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spelling doaj.art-96a60b040fd14652bbdf7c76fce86f1e2025-03-02T10:40:33ZrusNumikom LLCЭпидемиология и вакцинопрофилактика2073-30462619-04942021-01-01196182710.31631/2073-3046-2020-19-6-18-27705COVID-19 in Russia. Spring-Summer Period of the Pandemic 2020L. S. Karpova0D. A. Lioznov1K. A. Stolyarov2N. M. Popovtseva3T. P. Stolyarova4Smorodintsev Research Influenza Institute of Ministry of Healthcare of the Russian FederationSmorodintsev Research Influenza Institute of Ministry of Healthcare of the Russian Federation; Academician I.P. Pavlov First St. Petersburg State Medical University of Ministry of Healthcare of the Russian Federation RussiaSmorodintsev Research Influenza Institute of Ministry of Healthcare of the Russian FederationSmorodintsev Research Influenza Institute of Ministry of Healthcare of the Russian FederationSmorodintsev Research Influenza Institute of Ministry of Healthcare of the Russian FederationRelevance. The actuality of the study is due to the beginning of a new rise in the incidence of COVID-19 in the autumn of 2020 in the world and the need to study the features of the COVID-19 epidemic process for monitoring and forecasting the epidemic situation for its spread. Aim. Identification of features of morbidity, from March to September 2020 was based on data from the Ministry of health of Russia on the incidence and mortality from COVID-19 and from the date Influenza Research Institute on the weekly incidence of COVID-19, hospitalization and deaths in various age groups in 48 cities located in 8 Federal districts. Results. The dynamics of weekly morbidity and mortality in the Russian population from COVID-19 is presented. A noticeable increase in the incidence began from March 30 to April 5, 2020, and the peak of the epidemic was registered 6 weeks later. Within 3 months, the incidence decreased by more than 2 times and was minimal at the end of August. The order of involvement of Federal districts in the COVID-19 epidemic has been determined. The indicators of morbidity, hospitalization, and mortality were calculated, and the role of various age groups in the morbidity and mortality of the population from COVID-19 was shown. Differences in morbidity and mortality in Federal districts are shown. Conclusion. The rise in morbidity in Russia began much later than in Europe, in the week of the peak of the epidemic in this region. The epidemic started in the Southern FD, then in the Central and Far Eastern FD, and then every week-in the Siberian, Volga and Ural FD, and 3 weeks later (in June)-in the North-Western and North-Caucasian FD. By the beginning of the seasonal rise in ARI, morbidity and mortality rates remained high, especially in the Far Eastern and North-Western districts. The incidence of the adult population was 2.5-3.4 times higher than that of children. The mortality rate among people over 65 years of age was 8.8 times higher than among those aged 15-64 years. In the total population incidence of COVID-19, the proportion of people aged 15-64 years was 74.3%, and in mortality from COVID-19 - 34.1%, and those over 65 years, on the contrary, in morbidity -18.6%, and in mortality -65.9%. The highest rates of morbidity and mortality were found in the Far Eastern, Southern, Siberian and Central districts with a high incidence, primarily of people over 65 years of age. Lethality rates were higher in districts with a low rate of hospitalization.https://www.epidemvac.ru/jour/article/view/1132covid-19 pandemicmorbidityhospitalizationmortality
spellingShingle L. S. Karpova
D. A. Lioznov
K. A. Stolyarov
N. M. Popovtseva
T. P. Stolyarova
COVID-19 in Russia. Spring-Summer Period of the Pandemic 2020
Эпидемиология и вакцинопрофилактика
covid-19 pandemic
morbidity
hospitalization
mortality
title COVID-19 in Russia. Spring-Summer Period of the Pandemic 2020
title_full COVID-19 in Russia. Spring-Summer Period of the Pandemic 2020
title_fullStr COVID-19 in Russia. Spring-Summer Period of the Pandemic 2020
title_full_unstemmed COVID-19 in Russia. Spring-Summer Period of the Pandemic 2020
title_short COVID-19 in Russia. Spring-Summer Period of the Pandemic 2020
title_sort covid 19 in russia spring summer period of the pandemic 2020
topic covid-19 pandemic
morbidity
hospitalization
mortality
url https://www.epidemvac.ru/jour/article/view/1132
work_keys_str_mv AT lskarpova covid19inrussiaspringsummerperiodofthepandemic2020
AT dalioznov covid19inrussiaspringsummerperiodofthepandemic2020
AT kastolyarov covid19inrussiaspringsummerperiodofthepandemic2020
AT nmpopovtseva covid19inrussiaspringsummerperiodofthepandemic2020
AT tpstolyarova covid19inrussiaspringsummerperiodofthepandemic2020