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Analysis of Imported Cases of COVID-19 in Taiwan: A Nationwide Study
In the early stages of the 2019 novel coronavirus disease (COVID-19) pandemic, containment of disease importation from epidemic areas was essential for outbreak control. This study is based on publicly accessible data on confirmed COVID-19 cases in Taiwan extracted from the Taiwan Centers for Diseas...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7246949/ https://www.ncbi.nlm.nih.gov/pubmed/32397515 http://dx.doi.org/10.3390/ijerph17093311 |
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author | Liu, Jui-Yao Chen, Tzeng-Ji Hwang, Shinn-Jang |
author_facet | Liu, Jui-Yao Chen, Tzeng-Ji Hwang, Shinn-Jang |
author_sort | Liu, Jui-Yao |
collection | PubMed |
description | In the early stages of the 2019 novel coronavirus disease (COVID-19) pandemic, containment of disease importation from epidemic areas was essential for outbreak control. This study is based on publicly accessible data on confirmed COVID-19 cases in Taiwan extracted from the Taiwan Centers for Disease Control website. We analysed the characteristics, infection source, symptom presentation, and route of identification of the 321 imported cases that were identified from 21 January to 6 April 2020. They were mostly returned Taiwanese citizens who had travelled to one or more of 37 countries for tourism, business, work, or study. Half of these cases developed symptoms before arrival, most of the remainder developed symptoms 1–13 days (mean 4.0 days) after arrival, and 3.4% never developed symptoms. Three-quarters of the cases had respiratory symptoms, 44.9% had fever, 13.1% lost smell or taste, and 7.2% had diarrhoea. Body temperature and symptom screening at airports identified 32.7% of the cases. Of the remainder, 27.7% were identified during home quarantining, 16.2% were identified via contact tracing, and 23.4% were reported by hospitals. Under the strict enforcement of these measures, the incidence of locally acquired COVID-19 cases in Taiwan remains sporadic. In conclusion, proactive border control measures are effective for preventing community transmission of this disease. |
format | Online Article Text |
id | pubmed-7246949 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-72469492020-06-02 Analysis of Imported Cases of COVID-19 in Taiwan: A Nationwide Study Liu, Jui-Yao Chen, Tzeng-Ji Hwang, Shinn-Jang Int J Environ Res Public Health Article In the early stages of the 2019 novel coronavirus disease (COVID-19) pandemic, containment of disease importation from epidemic areas was essential for outbreak control. This study is based on publicly accessible data on confirmed COVID-19 cases in Taiwan extracted from the Taiwan Centers for Disease Control website. We analysed the characteristics, infection source, symptom presentation, and route of identification of the 321 imported cases that were identified from 21 January to 6 April 2020. They were mostly returned Taiwanese citizens who had travelled to one or more of 37 countries for tourism, business, work, or study. Half of these cases developed symptoms before arrival, most of the remainder developed symptoms 1–13 days (mean 4.0 days) after arrival, and 3.4% never developed symptoms. Three-quarters of the cases had respiratory symptoms, 44.9% had fever, 13.1% lost smell or taste, and 7.2% had diarrhoea. Body temperature and symptom screening at airports identified 32.7% of the cases. Of the remainder, 27.7% were identified during home quarantining, 16.2% were identified via contact tracing, and 23.4% were reported by hospitals. Under the strict enforcement of these measures, the incidence of locally acquired COVID-19 cases in Taiwan remains sporadic. In conclusion, proactive border control measures are effective for preventing community transmission of this disease. MDPI 2020-05-09 2020-05 /pmc/articles/PMC7246949/ /pubmed/32397515 http://dx.doi.org/10.3390/ijerph17093311 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Liu, Jui-Yao Chen, Tzeng-Ji Hwang, Shinn-Jang Analysis of Imported Cases of COVID-19 in Taiwan: A Nationwide Study |
title | Analysis of Imported Cases of COVID-19 in Taiwan: A Nationwide Study |
title_full | Analysis of Imported Cases of COVID-19 in Taiwan: A Nationwide Study |
title_fullStr | Analysis of Imported Cases of COVID-19 in Taiwan: A Nationwide Study |
title_full_unstemmed | Analysis of Imported Cases of COVID-19 in Taiwan: A Nationwide Study |
title_short | Analysis of Imported Cases of COVID-19 in Taiwan: A Nationwide Study |
title_sort | analysis of imported cases of covid-19 in taiwan: a nationwide study |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7246949/ https://www.ncbi.nlm.nih.gov/pubmed/32397515 http://dx.doi.org/10.3390/ijerph17093311 |
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