Olfactory disorder in patients infected with SARS-CoV-2

Yung-Feng Yen; Hsin-Hao Lai; Shang-Yih Chan; Vincent Yi-Fong Su; Ting-Fang Chiu; Chiao-Yu Huang; Chia-Chun Hung; Tzu-Ling Kuo; Ya-Ling Lee; Dachen Chu

doi:10.1016/j.jmii.2020.08.010

Olfactory disorder in patients infected with SARS-CoV-2

J Microbiol Immunol Infect. 2021 Oct;54(5):992-996. doi: 10.1016/j.jmii.2020.08.010. Epub 2020 Aug 20.

Authors

Affiliations

¹ Section of Infectious Diseases, Taipei City Hospital, Yangming Branch, 105, Yusheng St., Shilin Dist., Taipei City, 111, Taiwan; Institute of Public Health, National Yang-Ming University, No.155, Sec.2, Linong Street, Taipei, 112, Taiwan; Department of Health Care Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan. Electronic address: yfyen1@gmail.com.
² Section of Infectious Diseases, Taipei City Hospital, Yangming Branch, 105, Yusheng St., Shilin Dist., Taipei City, 111, Taiwan; School of Medicine, National Yang-Ming University, No.155, Sec.2, Linong Street, Taipei, 112, Taiwan.
³ Department of Internal Medicine, Taipei City Hospital, Yangming Branch, 105, Yusheng St., Shilin Dist., Taipei City, 111, Taiwan.
⁴ School of Medicine, National Yang-Ming University, No.155, Sec.2, Linong Street, Taipei, 112, Taiwan; Department of Internal Medicine, Taipei City Hospital, Yangming Branch, 105, Yusheng St., Shilin Dist., Taipei City, 111, Taiwan; Department of Chest Medicine, Taipei Veterans General Hospital, 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, Taiwan.
⁵ Department of Education and Research, Taipei City Hospital, 145, Zhengzhou Rd., Datong Dist., Taipei City, 103, Taiwan; Department of Pediatrics, Taipei City Hospital, Zhongxiao Branch, 87, Tongde Rd., Nangang Dist., Taipei City, 11556, Taiwan.
⁶ Department of Family Medicine, Taipei City Hospital, Renai Branch, 4, Renai Rd., Daan Dist., Taipei City, 106, Taiwan.
⁷ Department of Education and Research, Taipei City Hospital, 145, Zhengzhou Rd., Datong Dist., Taipei City, 103, Taiwan.
⁸ Department of Dentistry, Taipei City Hospital, No.145, Zhengzhou Rd., Datong Dist., Taipei City, 103, Taiwan; Department of Dentistry, School of Dentistry, National Yang-Ming University, No.155, Sec.2, Linong Street, Taipei, 112, Taiwan; University of Taipei, Taipei, No. 1, Aiguo West Road, Zhongzheng District, Taipei City, 100, Taiwan. Electronic address: DAE30@tpech.gov.tw.
⁹ Institute of Public Health, National Yang-Ming University, No.155, Sec.2, Linong Street, Taipei, 112, Taiwan; Department of Health Care Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan; Department of Education and Research, Taipei City Hospital, 145, Zhengzhou Rd., Datong Dist., Taipei City, 103, Taiwan; Department of Neurosurgery, Taipei City Hospital, No.145, Zhengzhou Rd., Datong Dist., Taipei City, 103, Taiwan.

Abstract

Three (60%) of five patients with coronavirus disease 2019 (COVID-19) had olfactory disorder. Two exhibited anosmia at the onset of COVID-19, while one had hyposmia 4 days after the onset of COVID-19. All patients with olfactory disorder were completely recovered with a mean recovery length of 11.3 days.

Keywords: COVID-19; Olfactory disorder; SARS-CoV-2.

MeSH terms

Adult
Anosmia / epidemiology
Anosmia / etiology*
COVID-19 / complications*
COVID-19 / epidemiology
COVID-19 / physiopathology
Cohort Studies
Female
Humans
Male
Olfaction Disorders / diagnosis
Olfaction Disorders / epidemiology
Olfaction Disorders / etiology*
Olfaction Disorders / physiopathology
Pandemics
SARS-CoV-2
Taiwan
Young Adult