Chronic fatigue, Long COVID, and research

I know that in my experience, chronic fatigue is a major symptom of Long COVID. I am sharing this research article as there is a correlation (possible link) between the gut microbiota and Long COVID.

Cheng, X., Wang, W., Xu, T. et al. Alterations in gut microbiota and associated metabolites in patients with chronic fatigue syndrome. Sci Rep 15, 43681 (2025). https://doi.org/10.1038/s41598-025-27564-y