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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">epidemiology</journal-id><journal-title-group><journal-title xml:lang="ru">Эпидемиология и Вакцинопрофилактика</journal-title><trans-title-group xml:lang="en"><trans-title>Epidemiology and Vaccinal Prevention</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-3046</issn><issn pub-type="epub">2619-0494</issn><publisher><publisher-name>«Numicom» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31631/2073-3046-2025-24-3-53-62</article-id><article-id custom-type="elpub" pub-id-type="custom">epidemiology-2255</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Оценка распространения маркеров моноинфицирования вирусом гепатита С и коинфицирования вирусами гепатитов С и В среди персонала медицинских учреждений эндемичного региона</article-title><trans-title-group xml:lang="en"><trans-title>Assessment of the Prevalence of Markers of Monoinfection with Hepatitis C Virus and Coinfection with Hepatitis C and B Viruses among the Personnel of Medical Institutions of an Endemic Region</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5818-9569</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Костинов</surname><given-names>М. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostinov</surname><given-names>M. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Михаил Петрович Костинов – д. м. н., профессор, член-корр. РАН, заведующий кафедрой эпидемиологии и современных технологий вакцинации Института профессионального образования; главный научный сотрудник, заведующий лабораторией вакцинопрофилактики и иммуно-терапии аллергических заболеваний</p><p>105064, Москва, Малый Казенный переулок, 5А</p><p>+7 (926) 157-97-07</p></bio><bio xml:lang="en"><p>Mikhail P. Kostinov – Dr. Sci. (Med.), Professor, Corresponding Member of the Russian Academy of Sciences, Head of the Department of Epidemiology and Modern Vaccination Technologies of the Professional Education Institute; Head of the Laboratory of Vaccine Prophylaxis and Immunotherapy of Allergic Diseases</p><p>Moscow</p><p>+7 (495) 741-35-23</p></bio><email xlink:type="simple">monolit.96@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/0009-0001-7110-7951</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Магомедова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Magomedova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наида Абдулхаликовна Магомедова – ассистент кафедры социальной гигиены, организации надзора с курсом лабораторной диагностики</p><p>Москва</p><p>+7 (988) 301-42-40</p></bio><bio xml:lang="en"><p>Naida A. Magomedova – Assistant Lecturer, Department of Social Hygiene, Organization of Surveillance, with a Course of Laboratory Diagnostics</p><p>Moscow</p><p>+7 (988) 301-42-40</p></bio><email xlink:type="simple">khirasulova@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9327-4163</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Храпунова</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khrapunova</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Изабелла Абрамовна Храпунова – д. м. н., профессор кафедры эпидемиологии и современных технологий вакцинации Института профессионального образования; ведущий научный сотрудник лаборатории</p><p>Москва</p><p>+7 (903) 711-08-55</p></bio><bio xml:lang="en"><p>Isabella A. Khrapunova – Dr. Sci. (Med.), Professor of the Department of Epidemiology and Modern Vaccination Technologies of the Institute of Professional Education; Leading Researcher of the Laboratory for the Prevention of Infections Associated with the Provision of Medical Care</p><p>Moscow</p><p>+7 (903) 711-08-55</p></bio><email xlink:type="simple">izabella-khrapunva@rambler.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5980-8560</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Линок</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Linok</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Викторович Линок – к. м. н., доцент кафедры эпидемиологии и современных технологий вакцинации Института профессионального образования; научный сотрудник лаборатории эпидемиологического анализа и мониторинга инфекционных заболеваний</p><p>Москва</p><p>+7 (926) 157-97-07</p></bio><bio xml:lang="en"><p>Andrey V. Linok – Cand. Sci. (Med.), Associate Professor of the Department of Epidemiology and Modern Vaccination Technologies of the Institute of Professional Education; research associate of the Laboratory for Epidemiological Analysis and Monitoring of Infectious Diseases</p><p>5A, Maly Kazenny lane, Moscow, 105064</p><p>+7 (926) 157-97-07</p></bio><email xlink:type="simple">linok_a_v@staff.sechenov.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5501-5707</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Малинникова</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Malinnikova</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Юрьевна Малинникова – д. м. н., доцент, заведующая кафедрой вирусологии</p><p>Москва</p><p>+7 (977) 516-52-77</p></bio><bio xml:lang="en"><p>Elena Yu. Malinnikova – Dr. Sci. (Med.), Associate Professor, Head of the Departmentof Virology</p><p>Moscow</p><p>+7 (977) 516-52-77</p></bio><email xlink:type="simple">malinnikovaeyu@rmapo.ru</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9887-4061</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алаторцева</surname><given-names>Г. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Alatortseva</surname><given-names>G. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Галина Ивановна Алаторцева – к. б. н., заведующая лабораторией клонирования вирусных геномов отдела вирусологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Galina I. Alatortseva – Cand. Sci. (Biol.), Head of the Laboratory of Viral Genome Cloning, Department of Virology</p><p>Moscow</p></bio><email xlink:type="simple">alatortseva@gmail.com</email><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2997-8892</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Притворова</surname><given-names>Л. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Pritvorova</surname><given-names>L. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Людмила Николаевна Притворова – к. м. н., ведущий научный сотрудник лаборатории клонирования вирусных геномов отдела вирусологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Lyudmila N. Pritvorova – Cand. Sci. (Med.), senior researcher of the Laboratory of Viral Genome Cloning, Department of Virology</p><p>Moscow</p></bio><email xlink:type="simple">lexx294@yandex.by</email><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3825-3906</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нестеренко</surname><given-names>Л. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Nesterenko</surname><given-names>L. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Любовь Николаевна Нестеренко – к. х. н., ведущий научный сотрудник лаборатории клонирования вирусных геномов отдела вирусологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Lyubov N. Nesterenko – Cand. Sci. (Chem.), senior researcher of the Laboratory of Viral Genome Cloning, Department of Virology</p><p>Moscow</p></bio><email xlink:type="simple">lnnesterenko3001@gmail.com</email><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3483-0128</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Амиантовa</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Amiantova</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Ильинична Амиантовa – научный сотрудник лаборатории клонирования вирусных геномов отдела вирусологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Irina I. Amiantova – researcher of the Laboratory of Viral Genome Cloning, Department of Virology</p><p>Moscow</p></bio><email xlink:type="simple">amianti@yandex.ru</email><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5866-944X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Доценко</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dotsenko</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вера Васильевна Доценко – к. б. н., старший научный сотрудник лаборатории клонирования вирусных геномов отдела вирусологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Vera V. Dotsenko – Cand. Sci. (Biol.), senior researcher of the Laboratory of Viral Genome Cloning, Department of Virology</p><p>Moscow</p></bio><email xlink:type="simple">Verramal@gmail.com</email><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8784-4497</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кабаргина</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kabargina</surname><given-names>V. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вера Юрьевна Кабаргина – научный сотрудник лаборатории клонирования вирусных геномов отдела вирусологии</p><p>Москва</p></bio><bio xml:lang="en"><p>Vera Yu. Kabargina – researcher of the Laboratory of Viral Genome Cloning, Department of Virology</p><p>Moscow</p></bio><email xlink:type="simple">v.cabargina@yandex.ru</email><xref ref-type="aff" rid="aff-7"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0533-0909</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полищук</surname><given-names>В. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Polishchuk</surname><given-names>V. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Валентина Борисовна Полищук – к. м. н., ведущий научный сотрудник лаборатории вакцинопрофилактики и иммунотерапии аллергических заболеваний</p><p>Москва</p></bio><bio xml:lang="en"><p>Valentina B. Polishchuk – Cand. Sci. (Med.), Senior Researcher of the Laboratory of Vaccine Prophylaxis and Immunotherapy of Allergic Diseases</p><p>Moscow</p></bio><email xlink:type="simple">polischook@mail.ru</email><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1332-519X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Локтионова</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Loktionova</surname><given-names>M. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Марина Николаевна Локтионова – к. м. н., доцент кафедры эпидемиологии и современных технологий вакцинации Института профессионального образования; старший научный сотрудник лаборатории эпидемиологии природно-очаговых инфекций</p><p>Москва</p><p>+7 (903) 618-37-96</p></bio><bio xml:lang="en"><p>Marina N. Loktionova – Cand. Sci. (Med.), Associate Professor, Department of Epidemiology and Modern Vaccination Technologies of the Professional Education Institute; Senior Researcher at the Laboratory of Epidemiology of Natural Focal Infections</p><p>Moscow</p></bio><email xlink:type="simple">m.lokt@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-8874-2365</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бесшапошникова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Besshaposhnikova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анастасия Алексеевна Бесшапошникова – студентка 6-го курса лечебного факультета</p><p>Москва</p><p>+7 (961) 644-15-44</p></bio><bio xml:lang="en"><p>Anastasiya A. Besshaposhnikova – 6th year student</p><p>Moscow</p><p>+7 (961) 644-15-4</p></bio><email xlink:type="simple">AnBessh7@yandex.ru</email><xref ref-type="aff" rid="aff-8"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВО Первый Московский государственный медицинский университет имени И.М. Сеченова Минздрава России; ФГБНУ «Научно-исследовательский институт вакцин и сывороток им. И. И. Мечникова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>I.M. Sechenov First Moscow State Medical University (Sechenov University) of the Ministry of Health of the Russian Federation; Federal State Budgetary Scientific Institution «Research Institute of Vaccines and Serums them. I.I. Mechnikov»</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАОУ ВО Первый Московский государственный медицинский университет имени И.М. Сеченова Минздрава России; ФГБОУ ВО ДГМУ Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>I.M. Sechenov First Moscow State Medical University (Sechenov University) of the Ministry of Health of the Russian Federation; Dagestan State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГАОУ ВО Первый Московский государственный медицинский университет имени И.М. Сеченова Минздрава России; ФБУН ЦНИИ Эпидемиологии Роспотребнадзора</institution><country>Россия</country></aff><aff xml:lang="en"><institution>I.M. Sechenov First Moscow State Medical University (Sechenov University) of the Ministry of Health of the Russian Federation; Central Research Institute of Epidemiology of Rospotrebnadzor</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ФГАОУ ВО Первый Московский государственный медицинский университет имени И.М. Сеченова Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>I.M. Sechenov First Moscow State Medical University (Sechenov University) of the Ministry of Health of the Russian Federation; Federal State Budgetary Scientific Institution «Research Institute of Vaccines and Serums them. I.I. Mechnikov»</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>ФГБОУ ДПО РМАНПО</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FSBEI FPE RMACPE MOH</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru"><institution>ФГБНУ «Научно-исследовательский институт вакцин и сывороток им. И. И. Мечникова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal State Budgetary Scientific Institution «Research Institute of Vaccines and Serums them. I.I. Mechnikov»</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-7"><aff xml:lang="ru"><institution>ФГБНУ «Научно-исследовательский институт вакцин и сывороток им. И. И. Мечникова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vera Yu. Kabargina – researcher of the Laboratory of Viral Genome Cloning,&#13;
Department of Virology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-8"><aff xml:lang="ru"><institution>ФГАОУ ВО «Российский Национальный Исследовательский Медицинский Университет им. Н.И. Пирогова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>28</day><month>07</month><year>2025</year></pub-date><volume>24</volume><issue>3</issue><fpage>53</fpage><lpage>62</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Костинов М.П., Магомедова Н.А., Храпунова И.А., Линок А.В., Малинникова Е.Ю., Алаторцева Г.И., Притворова Л.Н., Нестеренко Л.Н., Амиантовa И.И., Доценко В.В., Кабаргина В.В., Полищук В.Б., Локтионова М.Н., Бесшапошникова А.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Костинов М.П., Магомедова Н.А., Храпунова И.А., Линок А.В., Малинникова Е.Ю., Алаторцева Г.И., Притворова Л.Н., Нестеренко Л.Н., Амиантовa И.И., Доценко В.В., Кабаргина В.В., Полищук В.Б., Локтионова М.Н., Бесшапошникова А.А.</copyright-holder><copyright-holder xml:lang="en">Kostinov M.P., Magomedova N.A., Khrapunova I.A., Linok A.V., Malinnikova E.Y., Alatortseva G.I., Pritvorova L.N., Nesterenko L.N., Amiantova I.I., Dotsenko V.V., Kabargina V.Y., Polishchuk V.B., Loktionova M.N., Besshaposhnikova A.A.</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.epidemvac.ru/jour/article/view/2255">https://www.epidemvac.ru/jour/article/view/2255</self-uri><abstract><p>Актуальность. Многочисленные исследования показывают, что пациенты, страдающие коинфекцией вирусами гепатитов С и В, подвержены большему риску развития прогрессирующих заболеваний печени, включая цирроз и гепатоцеллюлярную карциному, в сравнении с пациентами, инфицированными лишь одним из этих вирусов.Цель. Оценить особенности распространения среди медицинских работников скрытых форм моноинфекции гепатита С и коинфекции гепатитов С и В в зависимости от возраста и медицинской специальности.Материалы и методы. Проведено серологическое и эпидемиологическое наблюдательное описательное проспективное исследование с участием 1 643 условно здоровых медицинских работников, среди которых не имелось документально подтвержденных случаев вирусного гепатита C или B, из 3 медицинских организаций стационарного и амбулаторно-поликлинического типа на территории с активным эпидемическим процессом. Из обследованных первично вакцинированы против гепатита В 1 597 (97,2 %) человек, непривиты 46 (2,8 %) человек. Специфические антитела в образцах сывороток крови от обследуемых лиц выявляли методом ИФА. Для детекции антител к HВs-антигену использовали набор реагентов «ВектоHBsAg-антитела» (Россия), антител к core- антигену вируса гепатита В (ВГВ) – набор реагентов «ГепаБест анти-HBc-IgG» (Россия), суммарных антител к антигенам сore и NS вируса гепатита С (ВГС) – набор реагентов «ВГС-АТ Подтверждающий» (Россия). Статистическую обработку и анализ результатов исследования проводили с использованием программ «Microsoft Excel 2010» и Prism9 (GraphPad, США).Результаты и обсуждение. Анализ возрастной структуры выявляемости серомаркеров гепатита С с 2023 по 2024 гг. показал, что среди серопозитивных (5 % всех обследованных лиц) наибольший удельный вес приходился на лиц молодого возраста (до 44 лет), тогда как сочетанные формы гепатитов С и В (1,7 %) чаще обнаруживались среди лиц среднего и пожилого возраста (45–60 лет). В структуре профессиональных категорий маркеры гепатита С чаще выявляли среди медицинского персонала – 45,1 %, (р&lt;0,001), а доли врачей и младшего медицинского персонала оказались сопоставимы, приближаясь к 25 % (р = 0,999). Такое распределение, вероятно, обусловлено спецификой профессиональной деятельности, при которой средний медицинский персонал чаще контактирует с кровью пациентов, что повышает риск инфицирования ВГC. Наибольшая доля лиц, у которых одновременно обнаружены антитела к core-антигенам вирусов гепатита С и В, приходилась на младший медицинский персонал (средний возраст 52 ±12,44 года), а точнее, на санитарок, составляя 35,7 % от общего числа выявленных случаев, причем 9 из 10 работали в одной медицинской организации.Заключение. При скрининге на маркеры парентеральных вирусных гепатитов целесообразно проводить обследование на наличие антител к core-антигенам ВГС и ВГВ, что позволит выявлять лиц страдающих не только скрытыми моноинфекциями ВГВ и ВГС, но и коинфекцией ВГС-ВГВ. Этот подход обеспечит формирование когорты пациентов для дальнейшего углубленного клинического исследования с целью уточнения диагноза и своевременного оказания адекватной медицинской помощи. Проведенное нами исследование позволяет выявлять пробелы в работе медицинских организаций по профилактике заболеваемости сотрудников в процессе их профессиональной деятельности.</p></abstract><trans-abstract xml:lang="en"><p>Relevance. Parenteral viral hepatitis B (HBV) and C (HCV) affect not only millions of people, but also healthcare workers due to professional contacts, which lead to the progression of liver pathology and a reduction in medical activity. Numerous studies have shown that patients with double infection are at greater risk of developing progressive liver disease, cirrhosis, and hepatocellular carcinoma compared to monoinfected patients.Aim. To assess the characteristics of the spread of latent forms of hepatitis C monoinfection and hepatitis C and B coinfection among healthcare workers depending on age and medical specialty.Materials and methods. A serological and epidemiological observational descriptive prospective study was conducted based on the analysis of the results of a study of 1,643 workers who were considered healthy and did not have documented HBV, HCV, from 3 inpatient and outpatient medical organizations in an area with an active course of epidemic processes. Employees who were initially vaccinated against HBV were 1,597 (97.2 %) people and 46 (2.8 %) people who were not vaccinated. Subjects are included in the study after receiving written consent. Antibody levels were assessed based on the аnti–HВsAg study using commercial ELISA kits "VectoHBsAg - antibodies" (Russia); the presence of antibodies to the nuclear antigen of hepatitis B virus (anti- НВс) by the HepaBest anti-HBc-IgG ELISA method (Russia); the presence of total antibodies to HCV-core and -NS by the ELISA method «HCV-AT Confirmatory» (Russia). Statistical processing and analysis of the research results were carried out using Microsoft Excel 2010 and Prism9 software (GraphPad, USA.Results and discussion. For the period under review (2023-2024) In the structure of HCV cases, 5 % of the study sample (1,643) were young people (up to 44 years old), while elderly and middle-aged people (45-60 years old) were more susceptible to combined forms of HCV and HBV (1.7 %). In the structure of professional categories suffering from HCV, the main share belongs to the nursing staff - 45.1 % (p&lt;0.001), and the shares of doctors and junior medical staff accounted for approximately 25 % of the total structure (p=0.999), which can be explained by the peculiarities of the HCV factor in the professional environment, namely more frequent It is the average medical staff who has contacts with the blood of patients. Among people with simultaneous positive biotests to the HCV and HBV nuclear antigen, the leading position was occupied by junior staff (nurses) – 35.7 %. The average age of this cohort is 52 years ±12.44 years, and 9 out of 10 people in this cohort are nurses who work in the same medical institution.Conclusion. The analysis makes it possible to identify organizations at the place of suspected infection, identify ways and factors of transmission, take measures to eliminate violations of the anti-epidemic regime, leading to increased risks of infection, and thereby ensure the biosafety of working conditions for healthcare workers.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>медицинские работники</kwd><kwd>моноинфекция</kwd><kwd>гепатит С</kwd><kwd>гепатит В</kwd><kwd>коинфекция</kwd><kwd>аnti–HВsAg</kwd><kwd>анти-НВс</kwd><kwd>антиВГС-сore</kwd><kwd>анти-ВГС-NS</kwd></kwd-group><kwd-group xml:lang="en"><kwd>healthcare workers</kwd><kwd>HCV</kwd><kwd>monoinfection</kwd><kwd>HBV</kwd><kwd>coinfection</kwd><kwd>anti-HВsAg</kwd><kwd>аnti-НВс</kwd><kwd>anti-HCV-core</kwd><kwd>-NS No conflict of interest to declare</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">Maqsood Q., Sumrin A., Iqbal M., et al. 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