Long COVID involves activation of proinflammatory and immune exhaustion pathways

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Aid M, Boero-Teyssier V, McMahan K, Dang R, Doyle M, Belabbaci N, Borducchi E, Collier AY, Mullington J, Barouch DH. Long COVID involves activation of proinflammatory and immune exhaustion pathways. Nat Immunol. 2026 Jan;27(1):61-71. doi: 10.1038/s41590-025-02353-x. Epub 2025 Dec 12. Erratum in: Nat Immunol. 2026 Jan 23. doi: 10.1038/s41590-026-02438-1. PMID: 41388153; PMCID: PMC12764429. [Article]