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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">vestim</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия медицинских наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Medical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-6023</issn><issn pub-type="epub">2524-2350</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">10.29235/1814-6023-2021-18-4-456-465</article-id><article-id custom-type="elpub" pub-id-type="custom">vestim-803</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>КЛИНИЧЕСКАЯ И ЭКСПЕРИМЕНТАЛЬНАЯ МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL AND EXPERIMENTAL MEDICINE</subject></subj-group></article-categories><title-group><article-title>Характеристики и особенности формирования гуморального иммунитета после иммунизации вакцинами «Спутник V» и Vero Cell</article-title><trans-title-group xml:lang="en"><trans-title>Characteristics and features of the formation of humoral immunity after immunization with Sputnik V and Vero Cell vaccines</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>Амвросьева</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Amvrosieva</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Амвросьева Тамара Васильевна – д-р мед. наук, профессор, заведующий лабораторией</p><p>ул. Филимонова, 23, 220114, г. Минск</p></bio><bio xml:lang="en"><p>Tamara V. Amvrosieva – D. Sc. (Med.), Professor, Headof the Laboratory</p><p>23, Filimonov Str., 220114, Minsk</p></bio><email xlink:type="simple">amvrosieva@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>Бельская</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belskaya</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бельская Инна Валерьевна  – мл. науч. сотрудник</p><p>ул. Филимонова, 23, 220114, г.  Минск</p></bio><bio xml:lang="en"><p>Inna V. Belskaya  – Junior Researcher</p><p>23, Filimonov Str., 220114, Minsk</p></bio><email xlink:type="simple">labsanvir@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>Богуш</surname><given-names>З. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Bohush</surname><given-names>Z. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Богуш Зоя Федоровна – науч. сотрудник</p><p>ул. Филимонова, 23, 220114, г. Минск</p></bio><bio xml:lang="en"><p>Zoya F. Bohush – Researcher</p><p>23,Filimonov Str., 220114, Minsk</p></bio><email xlink:type="simple">labsanvir@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>Поклонская</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Paklonskaya</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Поклонская Наталья Владимировна  – канд. биол. наук, вед. науч. сотрудник</p><p>ул. Филимонова, 23, 220114, г. Минск</p></bio><bio xml:lang="en"><p>Natallia U. Paklonskaya  – Ph. D. (Biol.), Leading Researcher</p><p>23, Filimonov Str., 220114, Minsk</p></bio><email xlink:type="simple">labsanvir@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>Колтунова</surname><given-names>Ю. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Kaltunova</surname><given-names>Yu. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Колтунова Юлия Борисовна – мл. науч. сотрудник</p><p>ул. Филимонова, 23, 220114, г.  Минск</p></bio><bio xml:lang="en"><p>Yulia B. Kaltunova  – Junior Researcher</p><p>23, Filimonov Str., 220114, Minsk</p></bio><email xlink:type="simple">labsanvir@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>Казинец</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kazinetz</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Казинец Ольга Николаевна  – науч. сотрудник</p><p>ул. Филимонова, 23, 220114, г. Минск</p></bio><bio xml:lang="en"><p>Olga N. Kazinetz  – Researcher</p><p>23, Filimonov Str., 220114, Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Республиканский научно-практический центр эпидемиологии и микробиологии</institution></aff><aff xml:lang="en"><institution>Republican Scientific and Practical Center for Epidemiology and Microbiology</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>03</day><month>12</month><year>2021</year></pub-date><volume>18</volume><issue>4</issue><fpage>456</fpage><lpage>465</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Амвросьева Т.В., Бельская И.В., Богуш З.Ф., Поклонская Н.В., Колтунова Ю.Б., Казинец О.Н., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Амвросьева Т.В., Бельская И.В., Богуш З.Ф., Поклонская Н.В., Колтунова Ю.Б., Казинец О.Н.</copyright-holder><copyright-holder xml:lang="en">Amvrosieva T.V., Belskaya I.V., Bohush Z.F., Paklonskaya N.V., Kaltunova Y.B., Kazinetz O.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://vestimed.belnauka.by/jour/article/view/803">https://vestimed.belnauka.by/jour/article/view/803</self-uri><abstract><p>В представленной работе проведен анализ данных о серопревалентности, напряжeнности и длительности сохранения гуморального поствакцинального иммунитета к коронавирусу SARS-CoV-2 у жителей Республики Беларусь после иммунизации двумя доступными вакцинными препаратами – «Спутник V» и Vero Cell.</p><p>Установлено, что сероконверсия после введения вакцины Vero Cell происходила достоверно позже, чем после применения вакцины «Спутник V» (p &lt; 0,001). Вместе с тем двухэтапная иммунизация данными препаратами обеспечивала у привитых достаточно высокую  эффективность выработки антител к S-белку возбудителя COVID-19: доля серопозитивных лиц составила 99,19  [96,89; 99,97] % для «Спутник V» и 96,03  [90,81; 98,53] % для Vero Cell. Эффективность образования антител после иммунизации вакциной Vero Cell была ниже у лиц старше 65 лет. Доля вакцинированных с высокой концентрацией IgG к S-белку SARS-CoV-2 на 42-й день от начала иммунизации после применения «Спутника V» была достоверно выше, чем после вакцинации Vero Cell (p &gt;&lt; 0,05), и с течением времени постепенно уменьшалась. При этом существенного снижения доли серопозитивных лиц спустя 90 дней от начала иммунизации обоими вакцинными препаратами не выявлено. У ранее переболевших лиц, иммунизированных вакциной «Спутник V», количественные показатели поствакцинальных антител достигали пиковых значений уже после одной дозы препарата. Полученные результаты дополняют накопленную мировой наукой и практикой информацию о формировании поствакцинального иммунитета после применения разных вакцинных препаратов против COVID-19.&gt;&lt; 0 001). Вместе с тем двухэтапная иммунизация данными препаратами обеспечивала у привитых достаточно высокую  эффективность выработки антител к S-белку возбудителя COVID-19: доля серопозитивных лиц составила 99,19  [96,89; 99,97] % для «Спутник V» и 96,03  [90,81; 98,53] % для Vero Cell. Эффективность образования антител после иммунизации вакциной Vero Cell была ниже у лиц старше 65 лет. Доля вакцинированных с высокой концентрацией IgG к S-белку SARS-CoV-2 на 42-й день от начала иммунизации после применения «Спутника V» была достоверно выше, чем после вакцинации Vero Cell (p &lt; 0,05), и с течением времени постепенно уменьшалась. При этом существенного снижения доли серопозитивных лиц спустя 90 дней от начала иммунизации обоими вакцинными препаратами не выявлено. У ранее переболевших лиц, иммунизированных вакциной «Спутник V», количественные показатели поствакцинальных антител достигали пиковых значений уже после одной дозы препарата.</p><p>Полученные результаты дополняют накопленную мировой наукой и практикой информацию о формировании поствакцинального иммунитета после применения разных вакцинных препаратов против COVID-19.</p></abstract><trans-abstract xml:lang="en"><p>The presented work contains an analysis of seroprevalence, tension, and duration of post-vaccination immunity to the SARS-CoV-2 coronavirus in the residents of the Republic of Belarus after immunization with two vaccine preparations available in the country: Sputnik V and Vero Cell.</p><p>It was found that seroconversion after the injection of the Vero Cell vaccine occurred significantly later than after the Sputnik V vaccine (p &lt; 0.001). Nevertheless, two-stage immunization with the vaccines provided a sufficiently high efficiency of the inoculated antibodies to the S protein of the COVID-19 pathogen: the proportion of seropositive persons reached 99.19 [96.89; 99.97] % for Sputnik V and 96.03 [90.81; 98.53] % for Vero Cell. The efficiency of antibody formation after immunization with the Vero Cell vaccine was lower in older persons (in the group &gt; 65 years). The proportion of individuals with the highest IgG score for the SARS-CoV-2 S protein was higher after the Sputnik V administration compared to that in response to the Vero Cell vaccine (p &lt; 0.05), and gradually decreased over time. However, no significant decrease in the level of seropositive individuals after 90 days from the start of immunization with the both vaccine preparations was detected. In COVID-19 survivors immunized with the Sputnik V vaccine, the quantitative indicators of post-vaccination antibodies reached their peak values after 1 dose of the vaccine. The obtained results complement the accumulated world science and practical information on the problem of the postvaccination immunity formation in the context of the use of different drugs against COVID-19.&gt;&lt; 0.001). Nevertheless, two-stage immunization with the vaccines provided a sufficiently high efficiency of the inoculated antibodies to the S protein of the COVID-19 pathogen: the proportion of seropositive persons reached 99.19 [96.89; 99.97] % for Sputnik V and 96.03 [90.81; 98.53] % for Vero Cell. The efficiency of antibody formation after immunization with the Vero Cell vaccine was lower in older persons (in the group &gt; 65 years). The proportion of individuals with the highest IgG score for the SARS-CoV-2 S protein was higher after the Sputnik V administration compared to that in response to the Vero Cell vaccine (p &lt; 0.05), and gradually decreased over time. However, no significant decrease in the level of seropositive individuals after 90 days from the start of immunization with the both vaccine preparations was detected. In COVID-19 survivors immunized with the Sputnik V vaccine, the quantitative indicators of post-vaccination antibodies reached their peak values after 1 dose of the vaccine.</p><p>The obtained results complement the accumulated world science and practical information on the problem of the postvaccination immunity formation in the context of the use of different drugs against COVID-19.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>COVID-19</kwd><kwd>коронавирус SARS-CoV-2</kwd><kwd>поствакцинальный иммунитет</kwd><kwd>антитело</kwd><kwd>вакцинация</kwd><kwd>гуморальный иммунитет</kwd></kwd-group><kwd-group xml:lang="en"><kwd>COVID-19</kwd><kwd>SARS-CoV-2 coronavirus</kwd><kwd>post-vaccination immunity</kwd><kwd>antibody</kwd><kwd>vaccination</kwd><kwd>humoral immunity</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">Поиск вакцины против COVID-19 [Электронный ресурс]. – 2021. – Режим доступа: https://www.who.int/ru/emergencies/diseases/novel-coronavirus-2019/covid-19-vaccines. – Дата доступа: 20.06.2021.</mixed-citation><mixed-citation xml:lang="en">Searching for a vaccine against COVID-19 [Electronic resource]. 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