Cited by 532Olfactory and Sensory Function StudiesCOVID-19 Clinical Research StudiesDermatological and COVID-19 studies

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Prevalence and Duration of Acute Loss of Smell or Taste in COVID-19 Patients

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Lee, Yonghyun, Min, Pokkee, Lee, Seonggu, Kim, Shin-Woo·2020·Journal of Korean Medical Science

DOI 10.3346/jkms.2020.35.e174PMC PMC7211515

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Abstract

Initially, acute loss of smell (anosmia) and taste (ageusia) was not considered important symptoms for coronavirus disease 2019 (COVID-19).To determine the prevalence of these symptoms and to evaluate their diagnostic significance, we (approximately 150 physicians of the Daegu Medical Association) prospectively collected data of cases of anosmia and ageusia from March 8, 2020, via telephone interview among 3,191 patients in Daegu, Korea.Acute anosmia or ageusia was observed in 15.3% (488/3,191) patients in the early stage of COVID-19 and in 15.7% (367/2,342) patients with asymptomatic-to-mild disease severity.Their prevalence was significantly more common among females and younger individuals (P = 0.01 and P < 0.001, respectively).Most patients with anosmia or ageusia recovered within 3 weeks.The median time to recovery was 7 days for both symptoms.Anosmia and ageusia seem to be part of important symptoms and clues for the diagnosis of COVID-19, particularly in the early stage of the disease.

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Authors: Lee, Y., Min, P., Lee, S., & Kim, S.-W.
Affiliations: Daegu Medical Association (KR)
Daegu Medical Association, Daegu, Korea.
Kyungpook National University (KR)
Corresponding author: Kim, Shin-Woo
ORCID: Lee, Yonghyun
Min, Pokkee
Lee, Seonggu
Kim, Shin-Woo
Venue: Journal of Korean Medical Science
Publisher: XMLink
Published: 2020
Volume: 35
Issue: 18
Pages: e174-e174
ISSN: 1011-8934 (ISSN-L)
1598-6357
DOI: 10.3346/jkms.2020.35.e174
PMC: PMC7211515
OpenAlex: W3023547764
Cited by: 528
References: 17
Citations by year: 2026: 4 · 2025: 12 · 2024: 38 · 2023: 58 · 2022: 116 · 2021: 178 · 2020: 122
FWCI: 41.58
Type: journal article
Language: en
Open access: gold
doi.org
Licence: cc-by-nc
creativecommons.org/licenses/by-nc/4.0/ (tdm)
Locations: Journal of Korean Medical Science (publishedVersion, cc-by-nc)
PubMed Central (publishedVersion, cc-by-nc)
PubMed (publishedVersion)
Topics: Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
Health Sciences › Medicine › Infectious Diseases › COVID-19 Clinical Research Studies
Health Sciences › Medicine › Dermatology › Dermatological and COVID-19 studies
Keywords: COVID-19 pandemic, anosmia, ageusia, symptom prevalence, symptom duration, symptom recovery, early diagnosis, asymptomatic patients, Daegu
MeSH terms: Betacoronavirus, COVID-19, SARS-CoV-2, COVID-19 Testing, Adult, Ageusia, Olfaction Disorders, Female, Humans, Male, Pneumonia, Viral, Smell, Taste, Prevalence, Polymerase Chain Reaction, Age Distribution, Sex Distribution, Coronavirus, Coronavirus Infections, Clinical Laboratory Techniques, Republic of Korea, Pandemics

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Prevalence and Duration of Acute Loss of Smell or Taste in COVID-19 Patients

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