COVID-19: Post-vaccine Smell and Taste Disorders: Report of 6 Cases.

Jérôme R Lechien, Alpha O Diallo, Bernard Dachy, Serge D Le Bon, Antonino Maniaci, Luigi A Vaira, Sven Saussez

Ear, nose, & throat journal 2024 Feb

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Post-vaccine olfactory and gustatory disorders are very rare and were reported in patients who received influenza vaccines. In this article, we report 6 cases of post-coronavirus disease 2019 (COVID-19) vaccine olfactory and gustatory disorders in patients with negative nasal swabs. Precisely, olfactory and gustatory dysfunctions were reported in 5 and 1 patients, respectively. Sense disorders occurred after the first injection of AstraZeneca (n = 4) or the second injection of Pfizer (n = 2) vaccines. In 4 cases, the olfactory or gustatory disorder was confirmed with psychophysical evaluations. The duration of chemosensory dysfunction ranged from 4 to 42 days. None of the patient reported mid- or long-term olfactory or gustatory disorder. The occurrence of olfactory and gustatory dysfunctions in adults benefiting from COVID-19 vaccines is still rare but has to be known by otolaryngologists.

Citation

Jérôme R Lechien, Alpha O Diallo, Bernard Dachy, Serge D Le Bon, Antonino Maniaci, Luigi A Vaira, Sven Saussez. COVID-19: Post-vaccine Smell and Taste Disorders: Report of 6 Cases. Ear, nose, & throat journal. 2024 Feb;103(2):NP104-NP107