Persistence of fatigue in the absence of pathophysiological mechanisms in some patients more than 2 years after the original SARS-CoV-2 infection.

Exp Physiol · 2026 · PMC12949092 · PMID 40684361

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showed a trendno p-value reported

End‐tidal O 2 partial pressure ( P ET O 2 ) at peak exercise showed a trend towards lower values in the long COVID patients.

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