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The Loss of Smell and Taste in the COVID-19 Outbreak: a Tale of Many Countries.
Curr Allergy Asthma Rep. 2020 08 03; 20(10):61.CA

Abstract

PURPOSE OF REVIEW

Olfactory dysfunction in upper airway viral infections (common cold, acute rhinosinusitis) is common (> 60%). During the COVID-19 outbreak, frequency of sensory disorders (smell and/or taste) in affected patients has shown a high variability from 5 to 98%, depending on the methodology, country, and study.

RECENT FINDINGS

A sudden, severe, isolated loss of smell and/or taste, in the absence of other upper airway inflammatory diseases (allergic rhinitis, chronic rhinosinusitis, nasal polyposis), should alert individuals and physicians on being potentially affected by COVID-19. The evaluation of smell/taste disorders with a visual analogue scale or an individual olfactory or gustatory test, at the hospital or by telemedicine, to prevent contamination might facilitate an early detection of infected patients and reduce the transmission of SARS-CoV-2. During the COVID-19 outbreak, patients with sudden loss of smell should initiate social distancing and home isolation measures and be tested for SARS-CoV-2 diagnostic test when available. Olfactory training is recommended when smell does not come back after 1 month but can be started earlier.

Authors+Show Affiliations

Rhinology Unit & Smell Clinic, ENT Department, Hospital Clinic Barcelona, Barcelona, Catalonia, Spain. jmullol@clinic.cat. INGENIO, Clinical & Experimental Respiratory Immunoallergy, IDIBAPS, Barcelona, Catalonia, Spain. jmullol@clinic.cat. CIBER of Respiratory Diseases (CIBERES), Barcelona, Catalonia, Spain. jmullol@clinic.cat.Rhinology Unit & Smell Clinic, ENT Department, Hospital Clinic Barcelona, Barcelona, Catalonia, Spain. INGENIO, Clinical & Experimental Respiratory Immunoallergy, IDIBAPS, Barcelona, Catalonia, Spain. CIBER of Respiratory Diseases (CIBERES), Barcelona, Catalonia, Spain.Rhinology and Skull Base Surgery Unit, ENT Department, Hospital Universitario Ramón y Cajal, Madrid, Spain.Department of Allergy, Consorci Sanitari de Terrassa, Barcelona, Catalonia, Spain.INGENIO, Clinical & Experimental Respiratory Immunoallergy, IDIBAPS, Barcelona, Catalonia, Spain. CIBER of Respiratory Diseases (CIBERES), Barcelona, Catalonia, Spain.Center for Rhinology and Allergology, Wiesbaden, Germany.Department of Otolaryngology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China.

Pub Type(s)

Journal Article
Review

Language

eng

PubMed ID

32748211

Citation

Mullol, Joaquim, et al. "The Loss of Smell and Taste in the COVID-19 Outbreak: a Tale of Many Countries." Current Allergy and Asthma Reports, vol. 20, no. 10, 2020, p. 61.
Mullol J, Alobid I, Mariño-Sánchez F, et al. The Loss of Smell and Taste in the COVID-19 Outbreak: a Tale of Many Countries. Curr Allergy Asthma Rep. 2020;20(10):61.
Mullol, J., Alobid, I., Mariño-Sánchez, F., Izquierdo-Domínguez, A., Marin, C., Klimek, L., Wang, D. Y., & Liu, Z. (2020). The Loss of Smell and Taste in the COVID-19 Outbreak: a Tale of Many Countries. Current Allergy and Asthma Reports, 20(10), 61. https://doi.org/10.1007/s11882-020-00961-1
Mullol J, et al. The Loss of Smell and Taste in the COVID-19 Outbreak: a Tale of Many Countries. Curr Allergy Asthma Rep. 2020 08 3;20(10):61. PubMed PMID: 32748211.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The Loss of Smell and Taste in the COVID-19 Outbreak: a Tale of Many Countries. AU - Mullol,Joaquim, AU - Alobid,Isam, AU - Mariño-Sánchez,Franklin, AU - Izquierdo-Domínguez,Adriana, AU - Marin,Concepció, AU - Klimek,Ludger, AU - Wang,De-Yun, AU - Liu,Zheng, Y1 - 2020/08/03/ PY - 2020/8/5/entrez PY - 2020/8/5/pubmed PY - 2020/8/14/medline KW - Acute rhinosinusitis KW - Anosmia KW - COVID-19 KW - Hyposmia KW - SARS-CoV-2 KW - Smell and taste dysfunction SP - 61 EP - 61 JF - Current allergy and asthma reports JO - Curr Allergy Asthma Rep VL - 20 IS - 10 N2 - PURPOSE OF REVIEW: Olfactory dysfunction in upper airway viral infections (common cold, acute rhinosinusitis) is common (> 60%). During the COVID-19 outbreak, frequency of sensory disorders (smell and/or taste) in affected patients has shown a high variability from 5 to 98%, depending on the methodology, country, and study. RECENT FINDINGS: A sudden, severe, isolated loss of smell and/or taste, in the absence of other upper airway inflammatory diseases (allergic rhinitis, chronic rhinosinusitis, nasal polyposis), should alert individuals and physicians on being potentially affected by COVID-19. The evaluation of smell/taste disorders with a visual analogue scale or an individual olfactory or gustatory test, at the hospital or by telemedicine, to prevent contamination might facilitate an early detection of infected patients and reduce the transmission of SARS-CoV-2. During the COVID-19 outbreak, patients with sudden loss of smell should initiate social distancing and home isolation measures and be tested for SARS-CoV-2 diagnostic test when available. Olfactory training is recommended when smell does not come back after 1 month but can be started earlier. SN - 1534-6315 UR - https://www.unboundmedicine.com/medline/citation/32748211/The_Loss_of_Smell_and_Taste_in_the_COVID_19_Outbreak:_a_Tale_of_Many_Countries_ L2 - https://dx.doi.org/10.1007/s11882-020-00961-1 DB - PRIME DP - Unbound Medicine ER -