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Abstract
Reported prevalence of Long COVID and post-COVID-19 condition varies significantly due to multiple factors.
- Prevalence rates are influenced by differences in terminology and operational definitions.
- Variability also arises from the characteristics of study populations and their hospitalization status.
- Follow-up duration and methods of symptom identification contribute to the discrepancies in reported rates.
- This systematic review and meta-analysis provides a synthesis of global observational evidence on Long COVID/PCC prevalence.
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