Long-COVID fatigue is not predicted by pre-pandemic plasma IL-6 levels in mild COVID-19

ConclusionsPre-existing increased IL-6 levels may contribute to chronic fatigue symptoms, but there was no increased risk in individuals with mild COVID-19 compared with uninfected individuals. Elevated BMI also increased the risk of chronic fatigue in mild COVID-19, consistent with previous reports.
Source: Inflammation Research - Category: Research Source Type: research