<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE article PUBLIC "-//NLM//DTD Journal Publishing DTD v2.0 20040830//EN" "journalpublishing.dtd"><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" dtd-version="2.0" xml:lang="en" article-type="retraction"><front><journal-meta><journal-id journal-id-type="nlm-ta">J Med Internet Res</journal-id><journal-id journal-id-type="publisher-id">jmir</journal-id><journal-id journal-id-type="index">1</journal-id><journal-title>Journal of Medical Internet Research</journal-title><abbrev-journal-title>J Med Internet Res</abbrev-journal-title><issn pub-type="epub">1438-8871</issn><publisher><publisher-name>JMIR Publications</publisher-name><publisher-loc>Toronto, Canada</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">v28i1e101185</article-id><article-id pub-id-type="doi">10.2196/101185</article-id><article-categories><subj-group subj-group-type="heading"><subject>Retraction</subject></subj-group></article-categories><title-group><article-title>Retraction: Assessing the Causal Association Between COVID-19 and Graves Disease: Mendelian Randomization Study</article-title></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><collab>JMIR Publications Editorial Office</collab><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff id="aff1"><institution>JMIR Publications</institution><addr-line>130 Queens Quay East, Suite 1100-1102</addr-line><addr-line>Toronto, ON</addr-line><country>Canada</country></aff><author-notes><corresp>Correspondence to JMIR Publications Editorial Office, , JMIR Publications, 130 Queens Quay East, Suite 1100-1102Toronto, ON, Canada, 1 4165832040; <email>ed-support@jmir.org</email></corresp></author-notes><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>12</day><month>6</month><year>2026</year></pub-date><volume>28</volume><elocation-id>e101185</elocation-id><history><date date-type="received"><day>12</day><month>05</month><year>2026</year></date><date date-type="accepted"><day>14</day><month>05</month><year>2026</year></date></history><copyright-statement>&#x00A9; JMIR Publications Editorial Office. Originally published in the Journal of Medical Internet Research (<ext-link ext-link-type="uri" xlink:href="https://www.jmir.org">https://www.jmir.org</ext-link>), 12.6.2026. </copyright-statement><copyright-year>2026</copyright-year><license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/"><p>This is an open-access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="https://creativecommons.org/licenses/by/4.0/">https://creativecommons.org/licenses/by/4.0/</ext-link>), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research (ISSN 1438-8871), is properly cited. The complete bibliographic information, a link to the original publication on <ext-link ext-link-type="uri" xlink:href="https://www.jmir.org/">https://www.jmir.org/</ext-link>, as well as this copyright and license information must be included.</p></license><self-uri xlink:type="simple" xlink:href="https://www.jmir.org/2026/1/e101185"/><related-article related-article-type="retracted article" ext-link-type="doi" xlink:href="10.2196/66003" xlink:title="Retraction of" xlink:type="simple">https://formative.jmir.org/2025/1/e66003</related-article></article-meta></front><body><p>The JMIR Publications Editorial Office is retracting the article &#x201C;Assessing the Causal Association Between COVID-19 and Graves Disease: Mendelian Randomization Study&#x201D; [<xref ref-type="bibr" rid="ref1">1</xref>] due to concerns regarding potential manipulation of the submission process and authorship, and the integrity of the peer-review process.</p><p>Author Hua Yu responded, indicating that there was an undisclosed conflict of interest with one peer reviewer relating to a previous copublication but denied any undisclosed contributions to the manuscript. The Editorial Office has determined that this does not fully resolve the concerns regarding the submission process and authorship, and that there is sufficient evidence indicating that the peer-review process was compromised to proceed with a retraction.</p><p>All of the authors agree with the decision to retract the article.</p></body><back><ref-list><title>References</title><ref id="ref1"><label>1</label><nlm-citation citation-type="journal"><person-group person-group-type="author"><name name-style="western"><surname>Nian</surname><given-names>H</given-names> </name><name name-style="western"><surname>Bai</surname><given-names>Y</given-names> </name><name name-style="western"><surname>Yu</surname><given-names>H</given-names> </name></person-group><article-title>Retracted: assessing the causal association between COVID-19 and Graves disease: Mendelian randomization study</article-title><source>JMIR Form Res</source><year>2025</year><month>04</month><day>8</day><volume>9</volume><fpage>e66003</fpage><pub-id pub-id-type="doi">10.2196/66003</pub-id><pub-id pub-id-type="medline">40198900</pub-id></nlm-citation></ref></ref-list></back></article>