Epidemiological trends and structure of covid-19 patients in the republic of khakasia in 2020

Background. In March 2020, the number of COVID-19 cases in the world increased 13 times, and the number of countries affected by the virus tripled. During the year, all countries of the world were affected by the COVID-19 pandemic, but the epidemic process has population characteristics. Purpose. To estimate the morbidity and mortality rates of patients with COVID-19 in the Republic of Khakassia, the structure of patients by sex and age infected with SARS-CoV-2 for 2020 Materials and methods. The incidence and mortality rates of the general population of patients with COVID-19 for 2020 in the republic has been analysed. For statistical processing of the results obtained, the Statistica 8.0 software package was used. Results. The number of registered cases of COVID-19 in 2020 in the Republic of Khakassia was 17552. There are two conditional growth intervals in the number of infected people in March-August (first wave) and in September-December (second wave). During the 1st wave, the incidence rate increased from 0.2 to 180.4 per 100 thousand of the population. In December, the incidence exceeded the same indicator in Russia by 1.8 times (2646.1 per 100 thousand population). There were three peak values of the mortality rate: in April – 3.1%, in July – 1.8%, in December – 2.4%. The proportion of deaths increases with age. The highest mortality rate is recorded at the age of 50 years and older: the proportion of deaths in this group is 3.7 times higher than at the age of 50-59, 10.6 times more than in the group of 40-49 years and 74 times more than in the young age group (<40 years old). Among the patients of Khakassia, the ratio between men and women was 0.99: 1.0. Conclusion. The study of the clinical and epidemiological features of the disease continues and is a priority in the development of world health. © 2021, Science and Innovation Center Publishing House. All rights reserved.