Long COVID and gut microbiome: insights into pathogenesis and therapeutics

Post-acute coronavirus disease 2019 syndrome (PACS), following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection or coronavirus disease 2019 (COVID-19), is typically characterized by long-term debilitating symptoms affecting multiple organs and systems. Unfortunately, there is c...

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Main Authors: Raphaela I. Lau, Qi Su, Siew C. Ng
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Gut Microbes
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Online Access:https://www.tandfonline.com/doi/10.1080/19490976.2025.2457495
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author Raphaela I. Lau
Qi Su
Siew C. Ng
author_facet Raphaela I. Lau
Qi Su
Siew C. Ng
author_sort Raphaela I. Lau
collection DOAJ
description Post-acute coronavirus disease 2019 syndrome (PACS), following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection or coronavirus disease 2019 (COVID-19), is typically characterized by long-term debilitating symptoms affecting multiple organs and systems. Unfortunately, there is currently a lack of effective treatment strategies. Altered gut microbiome has been proposed as one of the plausible mechanisms involved in the pathogenesis of PACS; extensive studies have emerged to bridge the gap between the persistent symptoms and the dysbiosis of gut microbiome. Recent clinical trials have indicated that gut microbiome modulation using probiotics, prebiotics, and fecal microbiota transplantation (FMT) led to improvements in multiple symptoms related to PACS, including fatigue, memory loss, difficulty in concentration, gastrointestinal upset, and disturbances in sleep and mood. In this review, we highlight the latest evidence on the key microbial alterations observed in PACS, as well as the use of microbiome-based therapeutics in managing PACS symptoms. These novel findings altogether shed light on the treatment of PACS and other chronic conditions.
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spelling doaj-art-dce73145df4e4abf8034984458cf3edb2025-01-24T17:01:40ZengTaylor & Francis GroupGut Microbes1949-09761949-09842025-12-0117110.1080/19490976.2025.2457495Long COVID and gut microbiome: insights into pathogenesis and therapeuticsRaphaela I. Lau0Qi Su1Siew C. Ng2Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, ChinaDepartment of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, ChinaDepartment of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, ChinaPost-acute coronavirus disease 2019 syndrome (PACS), following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection or coronavirus disease 2019 (COVID-19), is typically characterized by long-term debilitating symptoms affecting multiple organs and systems. Unfortunately, there is currently a lack of effective treatment strategies. Altered gut microbiome has been proposed as one of the plausible mechanisms involved in the pathogenesis of PACS; extensive studies have emerged to bridge the gap between the persistent symptoms and the dysbiosis of gut microbiome. Recent clinical trials have indicated that gut microbiome modulation using probiotics, prebiotics, and fecal microbiota transplantation (FMT) led to improvements in multiple symptoms related to PACS, including fatigue, memory loss, difficulty in concentration, gastrointestinal upset, and disturbances in sleep and mood. In this review, we highlight the latest evidence on the key microbial alterations observed in PACS, as well as the use of microbiome-based therapeutics in managing PACS symptoms. These novel findings altogether shed light on the treatment of PACS and other chronic conditions.https://www.tandfonline.com/doi/10.1080/19490976.2025.2457495Long COVIDpost-acute COVID-19 syndromegut microbiomemicrobiome-based therapeutics
spellingShingle Raphaela I. Lau
Qi Su
Siew C. Ng
Long COVID and gut microbiome: insights into pathogenesis and therapeutics
Gut Microbes
Long COVID
post-acute COVID-19 syndrome
gut microbiome
microbiome-based therapeutics
title Long COVID and gut microbiome: insights into pathogenesis and therapeutics
title_full Long COVID and gut microbiome: insights into pathogenesis and therapeutics
title_fullStr Long COVID and gut microbiome: insights into pathogenesis and therapeutics
title_full_unstemmed Long COVID and gut microbiome: insights into pathogenesis and therapeutics
title_short Long COVID and gut microbiome: insights into pathogenesis and therapeutics
title_sort long covid and gut microbiome insights into pathogenesis and therapeutics
topic Long COVID
post-acute COVID-19 syndrome
gut microbiome
microbiome-based therapeutics
url https://www.tandfonline.com/doi/10.1080/19490976.2025.2457495
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