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<front>
<journal-meta>
<journal-id journal-id-type="publisher-id">Front. Med.</journal-id>
<journal-title>Frontiers in Medicine</journal-title>
<abbrev-journal-title abbrev-type="pubmed">Front. Med.</abbrev-journal-title>
<issn pub-type="epub">2296-858X</issn>
<publisher>
<publisher-name>Frontiers Media S.A.</publisher-name>
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<article-meta>
<article-id pub-id-type="doi">10.3389/fmed.2025.1619451</article-id>
<article-categories>
<subj-group subj-group-type="heading">
<subject>Medicine</subject>
<subj-group>
<subject>Retraction</subject>
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</article-categories>
<title-group>
<article-title>Retraction: Evaluation of post-COVID mortality risk in cases classified as severe acute respiratory syndrome in Brazil: a longitudinal study for medium and long term</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author" corresp="yes">
<collab>Frontiers Editorial Office</collab>
<xref ref-type="corresp" rid="c001"><sup>&#x0002A;</sup></xref>
<uri xlink:href="http://loop.frontiersin.org/people/228891/overview"/>
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<fn fn-type="edited-by"><p>Approved by: Marc Jean Struelens, Universit&#x000E9; libre de Bruxelles, Belgium</p></fn>
<corresp id="c001">&#x0002A;Correspondence: Frontiers Editorial Office <email>research.integrity&#x00040;frontiersin.org</email></corresp>
</author-notes>
<pub-date pub-type="epub">
<day>16</day>
<month>05</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="collection">
<year>2025</year>
</pub-date>
<volume>12</volume>
<elocation-id>1619451</elocation-id>
<history>
<date date-type="received">
<day>28</day>
<month>04</month>
<year>2025</year>
</date>
<date date-type="accepted">
<day>28</day>
<month>04</month>
<year>2025</year>
</date>
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<copyright-statement>Copyright &#x000A9; 2025 Frontiers Editorial Office.</copyright-statement>
<copyright-year>2025</copyright-year>
<copyright-holder>Frontiers Editorial Office</copyright-holder>
<license xlink:href="http://creativecommons.org/licenses/by/4.0/"><p>This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.</p></license>
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<related-article id="RA1" related-article-type="retracted-article" journal-id="Front. Med." journal-id-type="nlm-ta" vol="11" page="1495428" xlink:href="10.3389/fmed.2024.1495428" ext-link-type="doi">A Retraction of the Original Research Article <article-title>Evaluation of post-COVID mortality risk in cases classified as severe acute respiratory syndrome in Brazil: a longitudinal study for medium and long term</article-title> by Rodrigues, N. C. P., and Andrade, M. K. d. N. (2024) <italic>Front. Med</italic>. 11:1495428. doi: <object-id>10.3389/fmed.2024.1495428</object-id></related-article>
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<custom-meta>
<meta-name>section-at-acceptance</meta-name>
<meta-value>Infectious Diseases: Pathogenesis and Therapy</meta-value>
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<body>
<p>The journal retracts the 18 December 2024 article cited above.</p>
<p>Following publication, concerns were raised regarding the scientific validity of the article. An investigation was conducted in accordance with Frontiers&#x00027; policies.</p>
<p>The authors failed to provide a satisfactory explanation and as a result, the conclusions of the article have been deemed unreliable and the article has been retracted.</p>
<p>Furthermore, Luiz Ant&#x000F4;nio Camacho requested to be removed from the Acknowledgements section stating that, though consulted on an early draft of the manuscript, did not endorse the methods in the study.</p>
<p>The Postgraduate Program in Public Health of the Escola Nacional de Sa&#x000FA;de P&#x000FA;blica Sergio Arouca da Funda&#x000E7;&#x000E3;o Oswaldo Cruz (PPSP/ENSP/FIOCRUZ) requested to be removed from the Acknowledgments and Funding sections, stating that the article did not receive funding for research or publication.</p>
<p>This retraction was approved by the Chief Editors of Frontiers in Medicine and the Chief Executive Editor of Frontiers. The authors agree to this retraction.</p>
</body>
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