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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">jofin</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал инфектологии</journal-title><trans-title-group xml:lang="en"><trans-title>Journal Infectology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-6732</issn><publisher><publisher-name>IPO “АIDSSPbR"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22625/2072-6732-2021-13-2-115-125</article-id><article-id custom-type="elpub" pub-id-type="custom">jofin-1214</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>Эпидемиология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Epidemiology</subject></subj-group></article-categories><title-group><article-title>Моделирование Эпидемического процесса ВИЧ-инфекции в популяциях с различным естественным приростом численности населения</article-title><trans-title-group xml:lang="en"><trans-title>Modeling the epidemic process of HIV infection in populations with different natural population growth</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>Нешумаев</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Neshumaev</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>заведующий лабораторией, к.м.н.,</p><p>Красноярск</p></bio><bio xml:lang="en"><p>Krasnoyarsk</p></bio><email xlink:type="simple">neshumaev@gmail.com</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>Сухарев</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Sukharev</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доцент кафедры электронной техники и телекоммуникаций института информатики и  телекоммуникаций, к.т.н.,</p><p>Красноярск</p></bio><bio xml:lang="en"><p>Krasnoyarsk</p></bio><email xlink:type="simple">solo113@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стасенко</surname><given-names>В. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Stasenko</surname><given-names>V. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>заведующий кафедрой эпидемиологии, д.м.н., профессор,</p><p>Омск</p></bio><bio xml:lang="en"><p>Omsk</p></bio><email xlink:type="simple">vlstasenko@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Красноярский краевой центр профилактики и борьбы со СПИД</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Krasnoyarsk Regional Center of AIDS prevention</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Сибирский государственный университет науки и технологий им. академика М.Ф. Решетнева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State University of Science and Technology named after M.F. Reshetnev</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Омский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Omsk State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>14</day><month>07</month><year>2021</year></pub-date><volume>13</volume><issue>2</issue><fpage>115</fpage><lpage>125</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нешумаев Д.А., Сухарев Е.Н., Стасенко В.Л., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Нешумаев Д.А., Сухарев Е.Н., Стасенко В.Л.</copyright-holder><copyright-holder xml:lang="en">Neshumaev D.A., Sukharev E.N., Stasenko V.L.</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://journal.niidi.ru/jofin/article/view/1214">https://journal.niidi.ru/jofin/article/view/1214</self-uri><abstract><sec><title>Цель</title><p>Цель: оценить заболеваемость, пораженность ВИЧинфекцией и динамику численности населения в популяциях с отрицательным, нулевым и положительным естественным приростом.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы: проведено компьютерное вероятностное моделирование методом Монте-Карло эпидемического процесса ВИЧ-инфекции в популяциях с различным естественным приростом численности населения. Использованы параметры, минимально необходимые для такого описания, – численность населения, рождаемость, смертность, пораженность ВИЧ-инфекцией, вероятность передачи ВИЧ.</p></sec><sec><title>Результаты</title><p>Результаты: при моделировании эпидемического процесса установлено два основных сценария распространения ВИЧ-инфекции в популяции без диагностических, лечебных и профилактических воздействий. При отрицательном или нулевом приросте населения и случайном распределении здоровых и инфицированных индивидуумов в моделируемом пространстве плотность населения постепенно уменьшается. В определенный момент вероятность контакта зараженного и здорового человека становится меньше, чем вероятность инфицированному лицу дожить до этого события. При таких условиях теоретически возможна полная элиминация вируса из популяции. При положительном естественном приросте возможно формирование устойчивого состояния, при котором периоды подъема численности популяции, заболеваемости и пораженности ВИЧ-инфекцией сменяются циклическим спадом. Пораженность ВИЧ-инфекцией в таких странах, как Свазиленд, Ботсвана и Лесото, многие годы находится на уровне 25–30%. При этом численность населения стабильно прирастает. Исходя из проведенных имитационных исследований, можно предположить, что на данных территориях сформировался эволюционно устойчивый баланс между долей здорового и ВИЧ инфицированного населения, при котором пораженность не реализуется выше 30%.</p></sec><sec><title>Заключение</title><p>Заключение. Развитие эпидемического процесса ВИЧ-инфекции детерминируется динамикой естественного прироста населения. При отрицательном или нулевом естественном приросте и случайном распределении индивидуумов в моделируемом пространстве теоретически возможна полная элиминация вируса из популяции. При положительном естественном приросте возможно формирование эволюционно устойчивого циклического равновесия между долей здоровых и ВИЧ-инфицированных лиц. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim: to assess the incidence, prevalence of HIV infection and population dynamics in populations with negative, zero and positive natural increase.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods: Computer probabilistic modeling by the Monte Carlo method of the epidemic process of HIV infection in populations with different natural population growths was carried out. The parameters that are minimally necessary for such a description are used – population, birth rate, mortality, HIV prevalence, probability of HIV transmission.</p></sec><sec><title>Results and discussion</title><p>Results and discussion: When modeling the epidemic process, two main scenarios of the spread of HIV infection in a population without diagnostic, therapeutic and preventive effects were established. With a negative or zero population growth and a random distribution of healthy and infected individuals in the simulated space, the population density gradually decreases. At some point, the probability of contact of the infected and healthy person becomes less than the probability of an infected person to live up to this event. Under such conditions, the complete elimination of the virus from the population is theoretically possible. With a positive natural increase, it is possible to form a stable state in which the periods of increase in population size, incidence and prevalence of HIV infection change in a cyclical decline. HIV prevalence in countries such as Swaziland, Botswana and Lesotho has been at the level of 25–30% for many years. In this case, the population steadily grows. Based on the conducted simulation studies, it can be assumed that in these territories an evolutionarily stable balance was formed between the share of healthy and HIV-infected people in which the prevalence does not occur above 30%.</p></sec><sec><title>Conclusions</title><p>Conclusions. The development of the epidemic process of HIV infection is determined by the dynamics of natural population growth. With a negative or zero natural growth and a random distribution of individuals in the simulated space, a complete elimination of the virus from the population is theoretically possible. With a positive natural increase, it is possible to form an evolutionarily stable cyclic balance between the proportion of healthy and HIV-infected people. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ВИЧ-инфекция</kwd><kwd>математическая модель</kwd><kwd>стохастический процесс</kwd><kwd>эпидемиологические факторы</kwd><kwd>эпидемиологические исследования</kwd><kwd>демографический прогноз</kwd><kwd>эпидемиологический мониторинг</kwd></kwd-group><kwd-group xml:lang="en"><kwd>HIV infection</kwd><kwd>mathematical model</kwd><kwd>stochastic process</kwd><kwd>epidemiological factors</kwd><kwd>epidemiological studies</kwd><kwd>demographic forecast</kwd><kwd>epidemiological monitoring</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Распоряжение Правительства РФ №2203-р от 20.10.2016 г. «Об утверждении Государственной стратегии противодействия распространению ВИЧ-инфекции в Российской Федерации на период до 2020 года и дальнейшую перспективу».</mixed-citation><mixed-citation xml:lang="en">Order of the Government of the Russian Federation №2203-r dated 20.10.2016 “On approval of the State strategy to counter the spread of HIV infection in the Russian Federation for the period up to 2020 and beyond”. 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