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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2022-66-3-274-279</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-1064</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>ИНФОРМАТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INFORMATICS</subject></subj-group></article-categories><title-group><article-title>Математическое моделирование влияния вакцинации на распространение эпидемии COVID-19</article-title><trans-title-group xml:lang="en"><trans-title>Mathematical modeling of the vaccination influence on the COVID-19 epidemic propagation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гринчук</surname><given-names>П. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Grinchuk</surname><given-names>P. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гринчук Павел Семенович – член-корреспондент, д-р физ.-мат. наук, заведующий отделом</p><p>ул. П. Бровки, 15, 220072, Минск</p></bio><bio xml:lang="en"><p>Grinchuk Pavel S. – Corresponding Member, D. Sc. (Physics and Mathematics), Head of the Department</p><p>15, P. Brovkа Str., 220072, Minsk</p></bio><email xlink:type="simple">gps@hmti.ac.by</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>Фисенко</surname><given-names>С. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Fisenko</surname><given-names>S. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фисенко Сергей Павлович – д-р физ.-мат. наук, гл. науч. сотрудник</p><p>ул. П. Бровки, 15, 220072, Минск</p></bio><bio xml:lang="en"><p>Fisenko Sergei P. – D. Sc. (Physics and Mathematics), Chief Researcher</p><p>15, P. Brovkа Str., 220072, Minsk</p></bio><email xlink:type="simple">fsp@hmti.ac.by</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>Шнип</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Shnip</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шнип Александр Иванович – канд. физ.-мат. наук, заведующий лабораторией</p><p>ул. П. Бровки, 15, 220072, Минск</p></bio><bio xml:lang="en"><p>Shnip Alexander I. – Ph. D. (Physics and Mathematics), Head of the Laboratory</p><p>15, P. Brovkа Str., 220072, Minsk</p></bio><email xlink:type="simple">shnip@hmti.ac.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт тепло- и массообмена имени А. В. Лыкова Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>A. V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2022</year></pub-date><volume>66</volume><issue>3</issue><fpage>274</fpage><lpage>279</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гринчук П.С., Фисенко С.П., Шнип А.И., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Гринчук П.С., Фисенко С.П., Шнип А.И.</copyright-holder><copyright-holder xml:lang="en">Grinchuk P.S., Fisenko S.P., Shnip A.I.</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://doklady.belnauka.by/jour/article/view/1064">https://doklady.belnauka.by/jour/article/view/1064</self-uri><abstract><p>Предложена математическая модель на основе системы обыкновенных дифференциальных уравнений для описания влияния темпа вакцинации на распространение эпидемии типа COVID-19. Приведены результаты численного моделирования для случая, когда вакцинация начинается после начала распространения эпидемии. Получен безразмерный параметр вакцинации V, который позволяет количественно характеризовать влияние темпа вакцинации на снижение заболеваемости вирусными заболеваниями с различными уровнями вирулентности в большой замкнутой популяции людей. Введение этого параметра позволяет переносить результаты моделирования на популяции других размеров для разных скоростей распространения эпидемии, разных скоростей вакцинирования и разной эффективности вакцин. Показано, что увеличение параметра вакцинации V при прочих равных условиях приводит к снижению доли заболевшего населения. Показано также, что при постоянном темпе вакцинации ее влияние на распространение респираторного вирусного заболевания типа COVID-19 снижается при более позднем начале вакцинации. Результаты моделирования могут способствовать разработке оптимальных сценариев вакцинации населения.</p></abstract><trans-abstract xml:lang="en"><p>The mathematical model based on a system of ordinary differential equations is proposed to describe the effect of the vaccination rate on the spread of the COVID-19 epidemic. The results of numerical modeling are presented for the case when vaccination begins after the beginning of the epidemic. A dimensionless vaccination parameter V was obtained, which allows one to characterize the effect of the vaccination rate on the reduction of the incidence of viral diseases with different virulence levels in a large closed population of people. Introducing this parameter allows the simulation results to be generalized to the populations of different size, different epidemic spread rate, different vaccination rate, and different vaccine efficiency. It has been shown that increasing the parameter V decreases the proportion of the sick population. It follows from our model that the vaccination influence on the spread of a respiratory viral disease such as COVID-19 decreases for a later initiation of vaccination. The simulation results should contribute to the development of optimal vaccination scenarios for the population.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>коронавирус</kwd><kwd>COVID-19</kwd><kwd>вакцинация</kwd><kwd>математическое моделирование</kwd><kwd>численность популяции</kwd><kwd>коэффициент распространения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>coronavirus</kwd><kwd>COVID-19</kwd><kwd>vaccination</kwd><kwd>mathematical modeling</kwd><kwd>population size</kwd><kwd>distribution coefficient</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы признательны за поддержку БРФФИ (грант Т21КОВИД-033).</funding-statement><funding-statement xml:lang="en">The authors are much grateful for the support of the Belarusian Republican Foundation for Fundamental Research (Grant Т21КОВИД-033).</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">Grinchuk, P. 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