---
title: "CMV-associated Type 1 immunity and six-month survival in sepsis without shock"
id: "biorxiv-3-type-1-immunity-linked-to-cmv-exposure-improves-long-term-survival-in-sepsis"
canonical_url: "https://medichelpline.com/clinical-feed/biorxiv-3-type-1-immunity-linked-to-cmv-exposure-improves-long-term-survival-in-sepsis"
content_type: "clinical_feed_article"
specialty: "Infectious Disease"
source_name: "bioRxiv (Biomedical Preprints)"
source_url: "https://www.biorxiv.org/content/10.64898/2026.10.13.758958v1?rss=1"
published_at: "2026-10-19T10:27:13.000Z"
evidence_level: "Verified Feed"
license: "CC-BY-NC-4.0 / Informational Use"
---
# CMV-associated Type 1 immunity and six-month survival in sepsis without shock
## Provenance & Clinical Metadata
- **Canonical URL:** https://medichelpline.com/clinical-feed/biorxiv-3-type-1-immunity-linked-to-cmv-exposure-improves-long-term-survival-in-sepsis
- **Specialty:** [Infectious Disease](https://medichelpline.com/clinical-feed/infectious-disease.md)
- **Primary Source:** bioRxiv (Biomedical Preprints)
- **Source URL:** [Original Journal Publication](https://www.biorxiv.org/content/10.64898/2026.10.13.758958v1?rss=1)
- **Published At:** 2026-10-19T10:27:13.000Z
- **Evidence Rating:** Verified Feed
## Executive GIST (TL;DR)
- Investigators performed integrated immune phenotyping, functional cytokine assays and antibody repertoire profiling to probe immune histories and sepsis outcomes. - The cohort showed highly heterogeneous immune profiles at enrollment, indicating substantial interpatient variability in immune state. - A higher frequency of **CXCR3-expressing CD4 memory T cells** at enrollment was associated with improved six-month survival specifically in sepsis patients who did not have shock. - In patients with **septic shock**, the same CXCR3+ CD4 memory population correlated with better organ function trajectories, but investigators observed no effect on six-month survival in that subgroup. - Phage display profiling identified that these Th1-like cells were generally expanded in individuals who were **CMV-seropositive**, suggesting past or latent CMV exposure shapes the CD4 memory compartment. - Data indicated that prior viral exposure may modulate downstream sepsis trajectories, but immune predictors were context-dependent and varied by physiological state at presentation. - The study team noted heterogeneity and did not report interventional dosing or therapeutic protocols; the report is observational and links immune phenotype with outcomes rather than testing a targeted therapy.
## Clinical Analysis & Structured Key Points
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Porter, [ View ORCID Profile](http://orcid.org/0000-0002-5117-3994)Konstantinos Boulias, [ View ORCID Profile](http://orcid.org/0000-0001-9572-5933)Sarah Naz-McLean, [ View ORCID Profile](http://orcid.org/0000-0002-8763-3200)Joshua Pickard, Marla Glean, [ View ORCID Profile](http://orcid.org/0009-0008-6474-1875)Ndongwa Pemba, [ View ORCID Profile](http://orcid.org/0009-0003-5838-1694)Kastin Pan, [ View ORCID Profile](http://orcid.org/0009-0003-3685-2088)Shilei Li, [ View ORCID Profile](http://orcid.org/0009-0003-7448-4714)Hannah H. Laibinis, Con Moran, Erin Connolly, [ View ORCID Profile](http://orcid.org/0009-0008-7150-1845)Grace Valentine, [ View ORCID Profile](http://orcid.org/0000-0002-5630-5167)Ramnik J. Xavier, [ View ORCID Profile](http://orcid.org/0000-0003-4262-0673)Deborah T. Hung, [ View ORCID Profile](http://orcid.org/0000-0001-7857-9145)Lisa Cosimi, [ View ORCID Profile](http://orcid.org/0000-0002-2810-1618)Ann E. Woolley, [ View ORCID Profile](http://orcid.org/0000-0001-9218-3040)Jacques Deguine doi: https://doi.org/10.64898/2026.10.13.758958 This article is a preprint and has not been certified by peer review [[what does this mean?](https://www.biorxiv.org/about/FAQ#unrefereed)]. Wei Qi 1 Center for Integrated Solutions for Infectious Diseases, Broad Institute of MIT and Harvard, Cambridge, MA, USA ; Division of Pulmonary and Critical Care Medicine, Mass General Brigham, Boston, MA, USA; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Wei%2BQi%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Qi%20W&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3AWei%2BQi%2B) * [ORCID record for Wei Qi](http://orcid.org/0000-0002-0240-7213 "Open in new tab") Nuzat Zaman 2 Center for Integrated Solutions for Infectious Diseases, Broad Institute of MIT and Harvard, Cambridge, MA, USA; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Nuzat%2BZaman%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Zaman%20N&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3ANuzat%2BZaman%2B) * [ORCID record for Nuzat Zaman](http://orcid.org/0009-0006-1891-9789 "Open in new tab") Alexis Rooney 3 Division of Infectious Diseases, Mass General Brigham, Boston, MA, USA; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Alexis%2BRooney%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Rooney%20A&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3AAlexis%2BRooney%2B) Caroline B.M. Porter 4 Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Caroline%2BB.M.%2BPorter%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Porter%20CB&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3ACaroline%2BB.M.%2BPorter%2B) Konstantinos Boulias 2 Center for Integrated Solutions for Infectious Diseases, Broad Institute of MIT and Harvard, Cambridge, MA, USA; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Konstantinos%2BBoulias%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Boulias%20K&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3AKonstantinos%2BBoulias%2B) * [ORCID record for Konstantinos Boulias](http://orcid.org/0000-0002-5117-3994 "Open in new tab") Sarah Naz-McLean 3 Division of Infectious Diseases, Mass General Brigham, Boston, MA, USA; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Sarah%2BNaz-McLean%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Naz-McLean%20S&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3ASarah%2BNaz-McLean%2B) * [ORCID record for Sarah Naz-McLean](http://orcid.org/0000-0001-9572-5933 "Open in new tab") Joshua Pickard 5 Eric and Wendy Schmidt Center, Broad Institute of MIT and Harvard, Cambridge, MA, USA; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Joshua%2BPickard%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Pickard%20J&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3AJoshua%2BPickard%2B) * [ORCID record for Joshua Pickard](http://orcid.org/0000-0002-8763-3200 "Open in new tab") Marla Glean 4 Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Marla%2BGlean%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Glean%20M&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3AMarla%2BGlean%2B) Ndongwa Pemba 2 Center for Integrated Solutions for Infectious Diseases, Broad Institute of MIT and Harvard, Cambridge, MA, USA; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Ndongwa%2BPemba%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Pemba%20N&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3ANdongwa%2BPemba%2B) * [ORCID record for Ndongwa Pemba](http://orcid.org/0009-0008-6474-1875 "Open in new tab") Kastin Pan 3 Division of Infectious Diseases, Mass General Brigham, Boston, MA, USA; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Kastin%2BPan%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Pan%20K&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3AKastin%2BPan%2B) * [ORCID record for Kastin Pan](http://orcid.org/0009-0003-5838-1694 "Open in new tab") Shilei Li 3 Division of Infectious Diseases, Mass General Brigham, Boston, MA, USA; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Shilei%2BLi%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Li%20S&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3AShilei%2BLi%2B) * [ORCID record for Shilei Li](http://orcid.org/0009-0003-3685-2088 "Open in new tab") Hannah H. 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Xavier 6 Center for Integrated Solutions for Infectious Diseases, Broad Institute of MIT and Harvard, Cambridge, MA, USA ; Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA ; Center for Computational and Integrative Biology, Massachu; * [Find this author on Google Scholar](https://www.biorxiv.org/lookup/google-scholar?link_type=googlescholar&gs_type=author&author%5B0%5D=Ramnik%2BJ.%2BXavier%2B "Open in new tab") * [Find this author on PubMed](https://www.biorxiv.org/lookup/external-ref?access_num=Xavier%20RJ&link_type=AUTHORSEARCH "Open in new tab") * [Search for this author on this site](https://www.biorxiv.org/search/author1%3ARamnik%2BJ.%2BXavier%2B) * [ORCID record for Ramnik J. Xavier](http://orcid.org/0000-0002-5630-5167 "Open in new tab") Deborah T. 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