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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="review-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Annals of the Russian academy of medical sciences</journal-id><journal-title-group><journal-title xml:lang="en">Annals of the Russian academy of medical sciences</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российской академии медицинских наук</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-6047</issn><issn publication-format="electronic">2414-3545</issn><publisher><publisher-name xml:lang="en">"Paediatrician" Publishers LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">2118</article-id><article-id pub-id-type="doi">10.15690/vramn2118</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>INFECTIOUS DISEASES: CURRENT ISSUES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>АКТУАЛЬНЫЕ ВОПРОСЫ ИНФЕКЦИОННЫХ БОЛЕЗНЕЙ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">COVID-19 in Russia: Evolution of Views on the Pandemic. Report I</article-title><trans-title-group xml:lang="ru"><trans-title>COVID-19 в России: эволюция взглядов на пандемию (часть 1)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3625-4278</contrib-id><contrib-id contrib-id-type="spin">7223-9834</contrib-id><name-alternatives><name xml:lang="en"><surname>Starodubov</surname><given-names>Vladimir I.</given-names></name><name xml:lang="ru"><surname>Стародубов</surname><given-names>Владимир Иванович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Professor, Academician of the RAS</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, академик РАН</p></bio><email>starodubov@mednet.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id 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xml:lang="ru"><surname>Акимкин</surname><given-names>Василий Геннадьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Professor, Academician of the RAS</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, академик РАН</p></bio><email>vgakimkin@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6686-9011</contrib-id><contrib-id contrib-id-type="spin">8375-2270</contrib-id><name-alternatives><name xml:lang="en"><surname>Semenenko</surname><given-names>Tatiana A.</given-names></name><name xml:lang="ru"><surname>Семененко</surname><given-names>Татьяна Анатольевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Professor</p></bio><bio xml:lang="ru"><p>д.м.н., 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N.</given-names></name><name xml:lang="ru"><surname>Авдеев</surname><given-names>Сергей Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Professor, Corresponding Member of the RAS</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, член-корреспондент РАН</p></bio><email>serg_avdeev@list.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3385-2632</contrib-id><contrib-id contrib-id-type="spin">6269-7990</contrib-id><name-alternatives><name xml:lang="en"><surname>Zykov</surname><given-names>Kirill A.</given-names></name><name xml:lang="ru"><surname>Зыков</surname><given-names>Кирилл Алексеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Professor</p></bio><bio xml:lang="ru"><p>д.м.н., 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xml:lang="en"><surname>Yacyshina</surname><given-names>Svetlana В.</given-names></name><name xml:lang="ru"><surname>Яцышина</surname><given-names>Светлана Борисовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD in Biology, Senior Research Associate</p></bio><bio xml:lang="ru"><p>к.б.н., с.н.с.</p></bio><email>svetlana.yatsyshina@pcr.ms</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3503-2366</contrib-id><contrib-id contrib-id-type="spin">9852-8292</contrib-id><name-alternatives><name xml:lang="en"><surname>Petrov</surname><given-names>Vadim V.</given-names></name><name xml:lang="ru"><surname>Петров</surname><given-names>Вадим Викторович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>руководитель научной группы 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xml:lang="ru"><p>аспирант</p></bio><email>gasanovgt500@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7524-3080</contrib-id><contrib-id contrib-id-type="spin">2345-4460</contrib-id><name-alternatives><name xml:lang="en"><surname>Svanadze</surname><given-names>Nino Kh.</given-names></name><name xml:lang="ru"><surname>Сванадзе</surname><given-names>Нино Хвичаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><bio xml:lang="ru"><p>врач-эпидемиолог</p></bio><email>svanadze@cmd.su</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7970-7495</contrib-id><contrib-id contrib-id-type="spin">7854-7358</contrib-id><name-alternatives><name xml:lang="en"><surname>Cherkashina</surname><given-names>Anna 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Federation</country></address><bio xml:lang="en"><p>MD, PhD</p></bio><bio xml:lang="ru"><p>к.м.н.</p></bio><email>zykova.aal@medsigroup.ru</email><xref ref-type="aff" rid="aff6"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6622-4734</contrib-id><contrib-id contrib-id-type="spin">9418-3070</contrib-id><name-alternatives><name xml:lang="en"><surname>Zelenin</surname><given-names>Dmitrii A.</given-names></name><name xml:lang="ru"><surname>Зеленин</surname><given-names>Дмитрий Александрович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD</p></bio><bio xml:lang="ru"><p>к.м.н.</p></bio><email>d_zelenin@inbox.ru</email><xref ref-type="aff" rid="aff6"/><xref ref-type="aff" rid="aff10"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4678-5459</contrib-id><name-alternatives><name 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доцент</p></bio><email>irina.rodyukova@gmail.com</email><xref ref-type="aff" rid="aff10"/><xref ref-type="aff" rid="aff11"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5891-3417</contrib-id><contrib-id contrib-id-type="spin">3971-4607</contrib-id><name-alternatives><name xml:lang="en"><surname>Chaus</surname><given-names>Nikolay I.</given-names></name><name xml:lang="ru"><surname>Чаус</surname><given-names>Николай Иванович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Associate Professor</p></bio><bio xml:lang="ru"><p>к.м.н., доцент</p></bio><email>nikchaus@yandex.ru</email><xref ref-type="aff" rid="aff10"/><xref ref-type="aff" rid="aff12"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6053-4651</contrib-id><contrib-id contrib-id-type="spin">3059-5317</contrib-id><name-alternatives><name xml:lang="en"><surname>Snitsar</surname><given-names>Artem V.</given-names></name><name xml:lang="ru"><surname>Сницарь</surname><given-names>Артем Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>snitsarav@yandex.ru</email><xref ref-type="aff" rid="aff10"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Russian Research Institute of Health</institution></aff><aff><institution xml:lang="ru">Центральный научно-исследовательский институт организации и информатизации здравоохранения</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University (Sechenov University)</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет имени И.М. Сеченова (Сеченовский Университет)</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Central Research Institute of Epidemiology</institution></aff><aff><institution xml:lang="ru">Центральный научно-исследовательский институт эпидемиологии</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">National Research Center of Epidemiology and Microbiology named after Honorary Academician N.F. Gamaleya</institution></aff><aff><institution xml:lang="ru">Национальный исследовательский центр эпидемиологии и микробиологии имени почетного академика Н.Ф. Гамалеи</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Pulmonology Scientific Research Institute</institution></aff><aff><institution xml:lang="ru">Научно-исследовательский институт пульмонологии</institution></aff></aff-alternatives><aff-alternatives id="aff6"><aff><institution xml:lang="en">А.I. Yevdokimov Moscow State University of Medicine and Dentistry</institution></aff><aff><institution xml:lang="ru">Московский государственный медико-стоматологический университет им. А.И. Евдокимова</institution></aff></aff-alternatives><aff-alternatives id="aff7"><aff><institution xml:lang="en">Pavlov First St. Petersburg State Medical University</institution></aff><aff><institution xml:lang="ru">Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова</institution></aff></aff-alternatives><aff-alternatives id="aff8"><aff><institution xml:lang="en">National Medical Research Center of Cardiology named after Academician E.I. Chazov</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр кардиологии имени академика Е.И. Чазова</institution></aff></aff-alternatives><aff-alternatives id="aff9"><aff><institution xml:lang="en">Professor G.A. Zakharyin Tuberculosis Clinical Hospital No. 3</institution></aff><aff><institution xml:lang="ru">Туберкулезная клиническая больница № 3 имени профессора Г.А. Захарьина</institution></aff></aff-alternatives><aff-alternatives id="aff10"><aff><institution xml:lang="en">City Clinical Hospital named after V.P. Demihov</institution></aff><aff><institution xml:lang="ru">Городская клиническая больница имени В.П. Демихова</institution></aff></aff-alternatives><aff-alternatives id="aff11"><aff><institution xml:lang="en">Pirogov Russian National Research Medical University (Pirogov Medical University)</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский институт имени Н.И. Пирогова</institution></aff></aff-alternatives><aff-alternatives id="aff12"><aff><institution xml:lang="en">Russian Medical Academy of Continuous Professional Education</institution></aff><aff><institution xml:lang="ru">Российская медицинская академия непрерывного профессионального образования</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-07-31" publication-format="electronic"><day>31</day><month>07</month><year>2022</year></pub-date><volume>77</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>199</fpage><lpage>207</lpage><history><date date-type="received" iso-8601-date="2022-06-16"><day>16</day><month>06</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-06-26"><day>26</day><month>06</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, "Paediatrician" Publishers LLC</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Издательство "Педиатръ"</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">"Paediatrician" Publishers LLC</copyright-holder><copyright-holder xml:lang="ru">Издательство "Педиатръ"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2023-07-31"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://vestnikramn.spr-journal.ru/jour/about/submissions</ali:license_ref></license></permissions><self-uri xlink:href="https://vestnikramn.spr-journal.ru/jour/article/view/2118">https://vestnikramn.spr-journal.ru/jour/article/view/2118</self-uri><abstract xml:lang="en"><p><italic>Over the two years of the novel coronavirus infection (COVID-19) pandemic, there has been an evolution of views in various fields of medicine, which has led to a powerful development of scientific research in the field of epidemiology, clinic, diagnosis and therapy of COVID-19. The article highlights the evolution of views and approaches to the study of the epidemiology and radiology of COVID-19. The data of molecular genetic studies are shown, which are the most important component of epidemiological surveillance. The study of the manifestations of the COVID-19 epidemic process made it possible to distinguish two stages in the development of the epidemiological situation in the Russian Federation. At the first stage of the epidemic, two rises in the incidence rate of the population were recorded, regulated by social and natural factors. The second stage of the epidemic was due to a change in the biological properties of the SARS-CoV-2 virus, followed by a change in the prevailing genovariants (Alpha, Delta and Omicron). At the second stage of the epidemic, three rises in the incidence of the population were recorded. The general principles for the use of radiodiagnosis methods, which are used primarily to detect lung damage in COVID-19, are given. With the accumulation of experience, a natural change in ideas about the algorithms for the use of visualization technologies has occurred.</italic></p></abstract><trans-abstract xml:lang="ru"><p><italic>За два года пандемии новой коронавирусной инфекции (COVID-19) произошла эволюция взглядов в различных областях медицины, что привело к мощному развитию научных исследований в области эпидемиологии, клиники, диагностики и терапии COVID-19. В статье освещены вопросы эволюции взглядов и подходов к изучению эпидемиологии и лучевой диагностики </italic><italic>COVID</italic><italic>-19. Показаны данные молекулярно-генетических исследований, которые являются важнейшим компонентом эпидемиологического надзора. Изучение проявлений эпидемического процесса COVID-19 позволило выделить два этапа развития эпидемиологической ситуации на территории Российской Федерации. На первом этапе эпидемии были зафиксированы два подъема уровня заболеваемости населения, регулируемых социальными и природными факторами. Второй этап эпидемии был обусловлен изменением биологических свойств вируса SARS-CoV-2 с последующей сменой превалирующих геновариантов (</italic><italic>Alpha</italic><italic>, </italic><italic>Delta</italic> <italic>и </italic><italic>Omicron</italic><italic>). На втором этапе эпидемии были зафиксированы три подъема уровня заболеваемости населения. Даны общие принципы применения методов лучевой диагностики, которые используют в первую очередь для выявления поражения легких при COVID-19. По мере накопления опыта произошло закономерное изменение представлений об алгоритмах применения визуализационных технологий.</italic></p></trans-abstract><kwd-group xml:lang="en"><kwd>epidemiology</kwd><kwd>SARS-CoV-2</kwd><kwd>radiography</kwd><kwd>sequence analysis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>эпидемиология</kwd><kwd>SARS-CoV-2</kwd><kwd>секвенирование</kwd><kwd>лучевая диагностика</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>COVID-19: научно-практические аспекты борьбы с пандемией в Российской Федерации / под ред. А.Ю. Поповой. — Саратов: Амирит, 2021. — 608 с. [COVID-19: nauchno-prakticheskie aspekty bor’by s pandemiej v Rossijskoj Federacii / pod red. A. Yu. Popovoj. Saratov: Amirit; 2021. 608 s. (In Russ.)]</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Акимкин В.Г., Кузин С.Н., Семененко Т.А., и др. 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