Why fatigue from long COVID goes beyond simply feeling tired

Comparisons of the immune profile of CFS or ME with that of lengthy COVID fatigue confirmed similarities similar to elevated CD8+ T lymphocytes, elevated expression of monocyte inflammatory genes, and elevated serum ranges of pro-inflammatory cytokines. The research additionally discovered associations between lengthy COVID and signs of main depressive dysfunction.

Conclusions

General, the research noticed elevated expression of inflammatory genes and elevated ranges of cytotoxic T cells and serum pro-inflammatory cytokines in lengthy COVID sufferers with extreme fatigue. Whereas non-fatigued lengthy COVID sufferers exhibited different immunological options similar to naive CD4+ lymphocytopenia and elevated serum ranges of sure interleukins, the rise in CD8+ T lymphocytes is related principally with extreme fatigue.

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