Article ; Online: Characteristics Associated with Olfactory and Taste Disorders in COVID-19.
2021 Volume 55, Issue 5, Page(s) 381–386
Abstract: Introduction: Olfactory and taste disorders (OTDs) have been reported in COVID-19 caused ... a COVID-19 epidemic in February-March 2020. Students, their relatives, and school staff were included ... participants, OTDs were independently associated with an age above 18 years, female gender, fatigue, and ...
Abstract | Introduction: Olfactory and taste disorders (OTDs) have been reported in COVID-19 caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), the mechanisms of which remain unclear. We conducted a detailed analysis of OTDs as part of 2 seroepidemiological investigations of COVID-19 outbreaks. Methods: Two retrospective cohort studies were conducted in a high school and primary schools of Northern France following a COVID-19 epidemic in February-March 2020. Students, their relatives, and school staff were included. Anti-SARS-CoV-2 antibodies were identified using a flow-cytometry-based assay detecting anti-S IgG. Results: Among 2,004 participants (median [IQR] age: 31 [11-43] years), 303 (15.2%) tested positive for SARS-CoV-2 antibodies. OTDs were present in 91 (30.0%) and 92 (30.3%) of them, respectively, and had 85.1 and 78.0% positive predictive values for SARS-CoV-2 infection, respectively. In seropositive participants, OTDs were independently associated with an age above 18 years, female gender, fatigue, and headache. Conclusion: This study confirms the higher frequency of OTDs in females than males and adults than children. Their high predictive value for the diagnosis of COVID-19 suggests that they should be systematically searched for in patients with respiratory symptoms, fever, or headache. The association of OTDs with headache, not previously reported, suggests that they share a common mechanism, which deserves further investigation. |
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MeSH term(s) | Adolescent ; Adult ; Antibodies, Viral/analysis ; COVID-19/complications ; Child ; Humans ; Olfaction Disorders/etiology ; Retrospective Studies ; Risk Factors ; Taste Disorders/etiology ; Young Adult |
Chemical Substances | Antibodies, Viral |
Language | English |
Publishing date | 2021-07-01 |
Publishing country | Switzerland |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 603189-4 |
ISSN | 1423-0208 ; 0251-5350 |
ISSN (online) | 1423-0208 |
ISSN | 0251-5350 |
DOI | 10.1159/000517066 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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