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Head of Institute: Prof. Oren Tirosh

Administrative manager: Rakefet Kalev

Office Address:
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Robert H. Smith Faculty of Agriculture, Food and Environment,
The Hebrew University of Jerusalem, 
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The taste of the pandemic—contemporary review on the current state of research on gustation in coronavirus disease 2019 (COVID-19)

Citation:

Hintschich, C. A. ; Niv, M. Y. ; Hummel, T. The taste of the pandemic—contemporary review on the current state of research on gustation in coronavirus disease 2019 (COVID-19). International Forum of Allergy & RhinologyInternational Forum of Allergy & RhinologyInt Forum Allergy Rhinol. 2022, 12, 210 - 216.

Date Published:

2022

Abstract:

Abstract Subjectively perceived impairment of taste is a common and distinct symptom of coronavirus disease 2019 (COVID-19). Large meta-analyses identified this symptom in approximately 50% of cases. However, this high prevalence is not supported by blinded and validated psychophysical gustatory testing, which showed a much lower prevalence in up to 26% of patients. This discrepancy may be due to misinterpretation of impaired retronasal olfaction as gustatory dysfunction. In addition, we hypothesized that COVID-19?associated hyposmia is involved in the decrease of gustatory function, as found for hyposmia of different origin. This indirect mechanism would be based on the central-nervous mutual amplification between the chemical senses, which fails in COVID-19?associated olfactory loss. However, further research is necessary on how severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) may directly impair the gustatory pathway as well as its subjective perception.

Notes:

https://doi.org/10.1002/alr.22902

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