Three-year assessment of cognitive and olfactory disturbances among COVID-19 convalescent patients grouped by olfactory hallucination status in Armenia: A qualitative and quantitative study.

Clin Med (Lond) · 2025 · PMC12395519 · PMID 40680857

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a clear trendno p-value reported

13 The research indicates that COVID-19-related olfactory disturbances may persist for years, with a clear trend showing that symptoms which do not improve within the first 10 days tend to become chronic.

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