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Updated: Sep 24, 2025

Author Spotlight: Assessing the Olfactory Effects of Airborne Pollutants — Buried Food and Social Odor Tests
Published on: September 13, 2024
Olfactory dysfunction and COVID-19
Rhea Choi1, Rupali Gupta1, John B Finlay2
1Department of Head and Neck Surgery & Communication Sciences, Duke University School of Medicine, Durham, NC 27710, United States.
Abstract:
Here, we provide an overview of olfactory dysfunction associated with COVID-19. We provide background regarding the organization and function of the peripheral olfactory system. A review of the relevant literature on anosmia and parosmia due to infection with SARS-CoV-2, the virus causing COVID-19, is provided. Specific attention is focused on possible mechanisms by which the virus may interact with and damage the cell populations of peripheral olfactory system. Evidence from human studies as well as animal models is considered. Finally, we discuss current recommendations for evaluation and management of patients with persistent post-COVID olfactory dysfunction, as well as possible future research directions.
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