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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">btps</journal-id><journal-title-group><journal-title xml:lang="ru">Безопасность техногенных и природных систем</journal-title><trans-title-group xml:lang="en"><trans-title>Safety of Technogenic and Natural Systems</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2541-9129</issn><publisher><publisher-name>Don State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.23947/2541-9129-2024-8-3-57-66</article-id><article-id custom-type="edn" pub-id-type="custom">PTULTJ</article-id><article-id custom-type="elpub" pub-id-type="custom">btps-396</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТЕХНОСФЕРНАЯ БЕЗОПАСНОСТЬ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNOSPHERE SAFETY</subject></subj-group></article-categories><title-group><article-title>Уточнение прогноза заболеваемости COVID-19 с наложением  на сезонные вспышки гриппа</article-title><trans-title-group xml:lang="en"><trans-title>Update of the COVID-19 Incidence Forecast with the Overlap of  Seasonal Flu Outbreaks</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9484-2430</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Азимова</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Azimova</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Николаевна Азимова, кандидат технических наук, доцент кафедры прикладной математики</p><p>344003, г. Ростов-на-Дону, пл. Гагарина, 1</p></bio><bio xml:lang="en"><p>Natalya N. Azimova, Cand. Sci. (Eng.), Associate Professor of the Applied Mathematics Department</p><p>1, Gagarin Sq., Rostov-on-Don, 344003</p></bio><email xlink:type="simple">arkomaazimov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4299-9727</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Заирова</surname><given-names>Д. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Zairova</surname><given-names>D. Kh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Джахангул Хайруллаевна Заирова, магистрант кафедры медиатехнологий</p><p>344003, г. Ростов-на-Дону, пл. Гагарина, 1</p></bio><bio xml:lang="en"><p>Dzhakhangul Kh. Zairova, Master's Degree Student of the Media Technologies Department</p><p>1, Gagarin Sq., Rostov-on-Don, 344003</p></bio><email xlink:type="simple">gulyazair@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3146-2163</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ермаков</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ermakov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Сергеевич Ермаков, магистрант кафедры автоматизации производственных процессов</p><p>344003, г. Ростов-на-Дону, пл. Гагарина, 1</p></bio><bio xml:lang="en"><p>Aleksandr S. Ermakov, Master's Degree Student of the Automation of Production Processes Department</p><p>1, Gagarin Sq., Rostov-on-Don, 344003</p></bio><email xlink:type="simple">ermakov_sahsa11@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ладоша</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Ladosha</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгений Николаевич Ладоша, кандидат технических наук, доцент кафедры медиатехнологий</p><p>344003, г. Ростов-на-Дону, пл. Гагарина, 1</p></bio><bio xml:lang="en"><p>Evgenii N. Ladosha, Cand. Sci. (Eng.), Associate Professor of the Media Technologies Department</p><p>1, Gagarin Sq., Rostov-on-Don, 344003</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Донской государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Don State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>08</month><year>2024</year></pub-date><volume>0</volume><issue>3</issue><fpage>57</fpage><lpage>66</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Азимова Н.Н., Заирова Д.Х., Ермаков А.С., Ладоша Е.Н., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Азимова Н.Н., Заирова Д.Х., Ермаков А.С., Ладоша Е.Н.</copyright-holder><copyright-holder xml:lang="en">Azimova N.N., Zairova D.K., Ermakov A.S., Ladosha E.N.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.bps-journal.ru/jour/article/view/396">https://www.bps-journal.ru/jour/article/view/396</self-uri><abstract><sec><title>Введение</title><p>Введение. Появление новых трансмиссивных заболеваний требует разработки соответствующих лечебных регламентов, мер предупреждения болезни, схем реабилитации и т. д. Важнейшим элементом всех обозначенных выше мероприятий является своевременность, которая невозможна без надёжного прогнозирования эпидемической обстановки. Фактически эпидемическая ситуация может обостриться при наложении двух эпидемий, что актуализует прогнозирование соответствующих временных интервалов. Цель данной работы — научно обоснованное предсказание периодов, отвечающих наложению эпидемий традиционного гриппа и вновь появившегося COVID-19.  </p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Научные изыскания основываются на анализе статистических данных. Для изучения и прогнозирования процессов использованы техники Фурье-разложения и авторегрессии. Скорректирована оригинальная математическая модель динамики COVID-19 с учетом новых статистических данных. Сопоставлены результирующие масштабно-временные и случайные характеристики COVID-19 в рамках модели с известными параметрами традиционного гриппа.  </p></sec><sec><title>Результаты исследования</title><p>Результаты исследования. Установлено, что динамика эпидемии COVID-19 имеет ярко выраженный сезонный характер с периодичностью три раза в год. Выявлено, что алгоритм прогноза заболеваемости COVID-19 методом Фурье-разложения не является надежным, однако позволяет хорошо описать наблюдаемую динамику развития эпидемии. Авторегрессионный анализ подходит лишь для краткосрочного прогнозирования коронавирусной эпидемии. Сопоставлены особенности течения двух заболеваний сезонного характера — COVID-19 и гриппа. Спрогнозированы моменты, когда их совместное действие на человека окажется особенно пагубным.  </p></sec><sec><title>Обсуждение и заключения</title><p>Обсуждение и заключения. Все методы математического анализа убедительно доказали, что периодичность вспышек COVID-19 — трижды в год, а гриппа — ежегодно. В периоды, когда действия двух вирусов (коронавируса и гриппа) накладываются, следует быть особо осторожными и соблюдать меры, направленные на снижение риска заболеть сезонной вирусной инфекцией, в том числе проводить регулярную вакцинацию. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The emergence of new vector-borne diseases necessitates the development of adequate medical regulations, prevention measures, rehabilitation programs, etc. Among all these measures, timeliness is the most crucial element, which cannot be achieved without reliable forecasting of the epidemic situation. In fact, the situation can deteriorate when two epidemics occur simultaneously, emphasizing the need for predicting the corresponding time intervals accurately. The aim of this study is to scientifically predict the periods when traditional influenza and  COVID-19 epidemics may overlap. </p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. The scientific research was based on the analysis of statistical data, which was processed using Fourier decomposition and autoregression techniques to study and predict various processes. The original mathematical model of COVID-19 dynamics was adjusted with new statistical data. The resulting scale-time and random characteristics of COVID-19 within the model were compared with known parameters of traditional influenza. </p></sec><sec><title>Results</title><p>Results. It was established that the dynamics of the COVID-19 epidemic had a pronounced seasonal character with a frequency of three times a year. It was found that the method of forecasting COVID-19 incidence using Fourier decomposition was not reliable, but it allowed for a good description of the observed dynamics of the epidemic. Autoregressive analysis, on the other hand, was only suitable for short-term forecasting of coronavirus epidemics. The features of the two seasonal diseases, COVID-19 and influenza, have been compared, and the moments when their combined effects on a person would be particularly harmful have been predicted.</p><p>Discussion and Conclusion. All methods of mathematical analysis have convincingly demonstrated that the frequency of COVID-19 outbreaks occurs three times per year, while influenza occurs annually. During times when the activities of both viruses (coronavirus and influenza) coincide, special attention should be paid and measures taken to reduce the risk of contracting a seasonal viral infection, including through regular vaccination. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>эпидемия</kwd><kwd>пандемия</kwd><kwd>COVID-19</kwd><kwd>эпидемиологические характеристики вируса</kwd><kwd>противодействие распространению COVID-19</kwd><kwd>математическая модель эпидемического процесса</kwd><kwd>омикрон</kwd></kwd-group><kwd-group xml:lang="en"><kwd>epidemic</kwd><kwd>pandemic</kwd><kwd>COVID-19</kwd><kwd>epidemiological characteristics of the virus</kwd><kwd>counteracting the spread of COVID-19</kwd><kwd>mathematical model of epidemic process</kwd><kwd>omicron</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают особую благодарность консультанту научного проекта О.В. Яценко, доценту, кандидату физико-математических наук, который внес немаловажный вклад в сопоставление характеристик вирусов гриппа и COVID-19 и дал ценные замечания при оформлении данной работы.</funding-statement><funding-statement xml:lang="en">The authors would like to express their special gratitude to Associate Professor, Cand. Sci.  (Phys.-Math.) O.V. Yatsenko, who made an important contribution to the comparison of the characteristics of influenza and COVID-19 viruses. His comments were essential in the design and development of this research.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Mollarasouli F, Zare-Shehneh N, Ghaedi M. A Review on Corona Virus Disease 2019 (COVID-19): Current Progress, Clinical Features and Bioanalytical Diagnostic Methods. 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