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KMID : 0191120210360020014
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Journal of Korean Medical Science
2021 Volume.36 No. 2 p.14 ~ p.14
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Symptoms and Characteristics Which Require Attention During COVID-19 Screening at a Port of Entry
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Song Seung-Woo
Kim Dong-Yeong
Park Ji-Yun
Lee So-Lam
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Abstract
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Background: The quarantine process at a country’s port of entry has an important role in preventing an influx of coronavirus disease 2019 (COVID-19) cases from abroad and further minimizing the national healthcare burden of COVID-19. However, there has been little published on the process of COVID-19 screening among travelers entering into a country. Identifying the characteristics of COVID-19 infected travelers could help attenuate the further spread of the disease.
Methods: The authors analyzed epidemiological investigation forms and real-time polymerase chain reaction (PCR) results for severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) of entrants to Incheon International Airport between March 11 to April 30, 2020. We performed univariate and multivariate logistic regression analysis to determine the odds of positive SARS-CoV-2 result.
Results: A total of 11,074 entrants underwent reverse-transcription PCR for SARS-CoV-2, resulting 388 confirmed cases of COVID-19 infection. COVID-19 had a strong association with the reported loss of smell or taste and association with self-reported fever, chill, cough, and vomiting. If a traveler reported contact with an individual with either respiratory symptoms or confirmed COVID-19 in the last two weeks directly prior to landing, the probability of a positive result was increased.
Conclusion: If overseas travelers experience loss of smell or taste in the two weeks prior to arrival, they may require an immediate examination to rule out COVID-19 at a port of entry. As to measure body temperature upon arrival at a port of entry, it is important to screen for any occurrence of fever within the two weeks prior to travel. Also, information with epidemiological relevance, such as recent contact with an individual suffering from any respiratory symptoms or with confirmed COVID-19, should be included in COVID-19 screening questionnaires for international travelers.
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KEYWORD
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COVID-19, Coronavirus, Anosmia, Ageusia, Quarantine, Travel
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