The age paradox in post-infectious sequelae: physiological reserve outweighs chronological age in Long COVID susceptibility.

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Title: The age paradox in post-infectious sequelae: physiological reserve outweighs chronological age in Long COVID susceptibility.
Authors: Azhir A; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.; Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA., Cheng J; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA., Tian J; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA., Bassett IV; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA., Patel CJ; Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA., Klann JG; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA., Murphy SN; Department of Neurology, Massachusetts General Hospital, Boston, MA, USA., Estiri H; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.
Source: MedRxiv : the preprint server for health sciences [medRxiv] 2026 Feb 26. Date of Electronic Publication: 2026 Feb 26.
Publication Type: Journal Article; Preprint
Journal Info: Country of Publication: United States NLM ID: 101767986 Publication Model: Electronic Cited Medium: Internet NLM ISO Abbreviation: medRxiv Subsets: PubMed not MEDLINE
Database: MEDLINE Ultimate
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Header DbId: mdl
DbLabel: MEDLINE Ultimate
An: 41810370
AccessLevel: 2
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: The age paradox in post-infectious sequelae: physiological reserve outweighs chronological age in Long COVID susceptibility.
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  Data: <searchLink fieldCode="AU" term="%22Azhir+A%22">Azhir A</searchLink>; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.; Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA.<br /><searchLink fieldCode="AU" term="%22Cheng+J%22">Cheng J</searchLink>; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.<br /><searchLink fieldCode="AU" term="%22Tian+J%22">Tian J</searchLink>; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.<br /><searchLink fieldCode="AU" term="%22Bassett+IV%22">Bassett IV</searchLink>; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.<br /><searchLink fieldCode="AU" term="%22Patel+CJ%22">Patel CJ</searchLink>; Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA.<br /><searchLink fieldCode="AU" term="%22Klann+JG%22">Klann JG</searchLink>; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.<br /><searchLink fieldCode="AU" term="%22Murphy+SN%22">Murphy SN</searchLink>; Department of Neurology, Massachusetts General Hospital, Boston, MA, USA.<br /><searchLink fieldCode="AU" term="%22Estiri+H%22">Estiri H</searchLink>; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.
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  Data: <searchLink fieldCode="JN" term="%22101767986%22">MedRxiv : the preprint server for health sciences</searchLink> [medRxiv] 2026 Feb 26. <i>Date of Electronic Publication: </i>2026 Feb 26.
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  Data: <i>Country of Publication: </i>United States <i>NLM ID: </i>101767986 <i>Publication Model: </i>Electronic <i>Cited Medium: </i>Internet <i>NLM ISO Abbreviation: </i>medRxiv <i>Subsets: </i>PubMed not MEDLINE
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=mdl&AN=41810370
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      – Type: doi
        Value: 10.64898/2026.02.24.26346989
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      – Code: eng
        Text: English
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            – D: 26
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              Text: 2026 Feb 26
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              Y: 2026
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