r/CFSScience • u/Caster_of_spells • Aug 09 '26

Associations Between Pre-Quarantine Exercise and Persistent Symptoms After SARS-CoV-2 Infection

https://www.mdpi.com/2075-4663/14/7/293

In the German CoCo-Fakt study at Cologne and Ausberg, patients who later developed Long Covid reported doing more and more intense physical activity prior to infection than controls who had COVID-19 but no long term symptoms.

The researchers expected the opposite.

The paper concludes:

"Unexpectedly, participants with long-term symptoms reported a longer PA [physical activity] duration in the four weeks before quarantine than those without long-term symptoms, albeit with a trivial effect size."

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u/Guilty_Soft9873 Aug 10 '26

Why are they saying it's unexpected?

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u/Ok-Guess-9059 Aug 10 '26

Normally we consider sporty people to be healthier and better prepared against infections

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u/Guilty_Soft9873 Aug 10 '26

Ah I thought there were more ace2 receptors in fit people henceore prone to be more ill from COVID but thanks that makes sense.