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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">10.22625/2072-6732-2021-13-4-106-112</article-id><article-id custom-type="elpub" pub-id-type="custom">jofin-1276</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>Корь и краснуха на Северо-Западе России на этапе их элиминации</article-title><trans-title-group xml:lang="en"><trans-title>Measles and rubella in the North-West of Russia in period of elimination</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>Бичурина</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bichurina</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший научный сотрудник, заведующая вирусологической лабораторией центра по элиминации кори и краснухи,</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</p></bio><email xlink:type="simple">romanenkova@pasteurorg.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>Железнова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zheleznova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший научный сотрудник, ведущий научный сотрудник лаборатории вирусных гепатитов, </p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</p></bio><email xlink:type="simple">nzhel@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>Шарова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sharova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник группы эпидемиологического мониторинга и прогнозирования, </p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</p></bio><email xlink:type="simple">alenasharova21@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт эпидемиологии и микробиологии им. Пастера</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg Research Institute of Epidemiology and Microbiology named after Pasteur</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>27</day><month>12</month><year>2021</year></pub-date><volume>13</volume><issue>4</issue><fpage>106</fpage><lpage>112</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бичурина М.А., Железнова Н.В., Шарова А.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Бичурина М.А., Железнова Н.В., Шарова А.А.</copyright-holder><copyright-holder xml:lang="en">Bichurina M.A., Zheleznova N.V., Sharova 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://journal.niidi.ru/jofin/article/view/1276">https://journal.niidi.ru/jofin/article/view/1276</self-uri><abstract><sec><title>Цель</title><p>Цель. Изучение эпидемиологии кори и краснухи на Северо-Западе России на этапе их элиминации.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В 2016–2019 гг. были исследованы 534 сыворотки крови от больных с диагнозом «Корь», 210 сывороток крови от больных с диагнозом «Краснуха», 1251 сыворотка крови от больных с экзантемными заболеваниями в ИФА c помощью тестсистем «ВектоКорь IgM» и «ИФА-Краснуха-IgM».</p></sec><sec><title>Результаты</title><p>Результаты. Заболеваемость корью на Северо-Западе России колебалась от 0 в 2017 г. до 0,96 на 100 000 населения в 2019 г. В 2018–2019 гг. изменилось соотношение детей и взрослых среди больных, на долю взрослых приходилось 65,9%. Эпидемический процесс поддерживали непривитые лица и лица с неизвестным анамнезом (85,0%). В 2018 г. отмечен высокий процент больных, имевших ревакцинацию (18,4%). У этой группы больных на 4–7-й дни был выявлен высокий уровень антител класса IgG к вирусу кори (более 3,0 МЕ/мл), а также высокий процент авидности IgG-корь антител (более 94,3%), что свидетельствует о вторичном иммунном ответе. Молекулярно-биологический мониторинг циркуляции диких штаммов вируса кори показал, что на Северо-Западе России в этот период циркулировали вирусы кори двух генотипов: D8 и B3. Штаммы, относящиеся к генотипу D8, были представлены 3 вариантами, к генотипу B3 – 4 вариантами. Заболеваемость краснухой носила спорадический характер и не превышала 0,13 на 100 000 населения. При молекулярно-генетическом исследовании биологического материала были идентифицированы штаммы вируса краснухи генотипа 1Е.</p></sec><sec><title>Заключение</title><p>Заключение. Данные по ежегодной заболеваемости корью и результаты генотипирования циркулирующих диких штаммов вируса кори свидетельствуют о том, что территории находятся в процессе элиминации кори. В отношении краснухи все показатели подтверждают, что на территориях Северо-Запада России сохраняется устойчивая фаза элиминации краснухи. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim: To evaluate the epidemic situation on measles and rubella and to carry out the laboratory diagnostics of these infections in the North-West of Russia in the period of elimination.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. In 2016-2019 a total of 534 blood serum samples from patients with measles diagnosis, 210 – from patients with rubella diagnosis and 1251 – from patients with exanthema were studied by ELISA using “VectoMeasles-IgM” and “EIA-Rubella-IgM” test-systems.</p></sec><sec><title>Results</title><p>Results. Measles incidence in NWR varied from 0 to 0.96 per 100,000 in 2016 and 2019, respectively. Among measles patients the proportion of children and adults changed in 2018-2019, adults constituted 65.9%. Patients not vaccinated against measles and those with the unknown vaccination status were mainly involved in epidemic process (85%). High level of patients with revaccination status was revealed in 2018 (18.4%). These patients demonstrated high levels of IgG (&gt;3.0 IU/ml) as well as high percentage of IgG avidity (&gt;94.3%) on 4-7th day of rash onset thus evidencing secondary immune response. Molecular studies of the samples from patients revealed the circulation of D8 and B3 genotypes of measles virus. Strains of D8 and B3 genotypes were represented by 3 and 4 variants, respectively. Rubella incidence did not exceed 0.13 per 100,000. Strains of rubella virus of genotype 1E were detected.</p></sec><sec><title>Conclusion</title><p>Conclusion. The data of annual measles incidence and molecular studies of circulating wild type measles viruses prove the on-going measles elimination process in the NorthWest of Russia. For rubella, the persistent phase of elimination was demonstrated in the region. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>корь</kwd><kwd>краснуха</kwd><kwd>эпидемический процесс</kwd><kwd>иммунный ответ</kwd><kwd>лабораторная диагностика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>measles</kwd><kwd>rubella</kwd><kwd>epidemic process</kwd><kwd>immune response</kwd><kwd>laboratory diagnostics</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">Бичурина, М.А. Вспышка кори в детской больнице Санкт-Петербурга в 2012 году / М.А. Бичурина [и др.] // Журнал инфектологии. – 2013. – Т. 5, № 2. – С. 96–102.</mixed-citation><mixed-citation xml:lang="en">Bichurina MA, Timofeeva EV, Zheleznova NV, et al. Zhurnal infectologii. 2013; 5(2): 96-102. 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