Untargeted metabolomics of COVID-19 patient serum reveals potential prognostic markers of both severity and outcome.

The results of our study found ergothioneine levels to follow the expected trend, i.e., lower in severe cases and poor outcome in accordance with findings by (Wu et al., 2020 ); however its q -values (in a population whose mushroom consumption was neither monitored nor controlled) fell just slightly short of significance (see Fig.

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