Figure 3

![Figure 3: Analysis of inflammatory or tryptophan-kynurenine pathway metabolites in post-COVID participants, indicating associations with fatigue, neurological symptoms, or insomnia.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10382041/bin/jpm-13-01055-g003.jpg)

> Source: Talia Piater et al. "Persistent Symptoms and IFN-γ-Mediated Pathways after COVID-19.." *Journal of personalized medicine*, 2023. PMID: [37511668](https://pubmed.ncbi.nlm.nih.gov/37511668/)

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  <img src="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10382041/bin/jpm-13-01055-g003.jpg" alt="Analysis of inflammatory or tryptophan-kynurenine pathway metabolites in post-COVID participants, indicating associations with fatigue, neurological symptoms, or insomnia." />
  <figcaption>Figure 3. Analysis of inflammatory or tryptophan-kynurenine pathway metabolites in post-COVID participants, indicating associations with fatigue, neurological symptoms, or insomnia.<br>  Source: Talia Piater et al. "Persistent Symptoms and IFN-γ-Mediated Pathways after COVID-19.." <em>Journal of personalized medicine</em>, 2023. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/37511668/">37511668</a></figcaption>
</figure>