Phantosmia May Predict Long-Term Measurable Olfactory Dysfunction After COVID-19.

Objectives: Persistent olfactory dysfunction (OD) after 6 months caused by SARS-CoV-2 infection has been reported with a variable prevalence worldwide. This study aimed to determine the prevalence of long-term OD and identify predisposing factors.

Methods: A prospective cohort study was conducted on 100 adults with COVID-19.