Olfactory dysfunction in SARS-CoV-2 infection: Focus on odorant specificity and chronic persistence. Rebholz H, Pfaffeneder-Mantaid F, Knoll W, Hassel AW, Frank W, Kleber C. Am J Otolaryngol. 2021. Volume 42, Issue 5, 103014, ISSN 0196-0709. https://doi.org/10.1016/j.amjoto.2021.103014. Download from HAL-INSERM
Our study of 70 SARS-CoV-2 antibody-positive and 348 control participants corroborates the finding that smell dysfunction is long-lasting (at least 4 months) or possibly permanent for a subset of mild or asymptomatic COVID-19 cases and that certain odors are particularly affected.
This knowledge could be exploited in cost-effective and fast specific smell tests the ENT clinic to monitor the recovery of olfactory function after SARS-CoV-2 infection.
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