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KMID : 1143420200130090464
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Public Health Weekly Report
2020 Volume.13 No. 9 p.464 ~ p.474
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Interim Epidemiological and clinical characteristic of COVID-19 28 cases in South Korea
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Hyun Jung-Hee
Lee Jung-Hyun
Park Young-Joon
Jung Eun-Kyeong
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Abstract
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From January 20th, 2020 to February 14th, 2020, a total of 28 cases of acute respiratory syndrome coronavirus (SARS-CoV-2), a temporary moniker for the virus responsible for COVID-19, emerged after the first confirmed case was reported in Korea. To continue management and treatment of SARS CoV-2 and other emerging infectious diseases, the purpose of this paper was to analyze and share the insight gained from these 28 cases. In terms of methodology, epidemiological and initial characteristics were analyzed using the report from the epidemiology investigation team of the COVID-19 National Emergency Response Center of the Korea Centers for Disease Control and Prevention (KCDC). In addition, KCDC field reports from patient monitoring, epidemiologic investigations, and quarantine management were used.
There were 15 male cases (53.6%) and 13 female cases (46.4%). The average age was 42.6 and the ages ranged from 20-73-years of age. Of the 28 cases, 16 (57.1%) were imported index cases; 11 cases (68.8%) visited Wuhan, China, 1 case visited Zhuhai, China (6.3%), 2 cases visited Singapore (12.5%), 1 case visited Japan (6.3%), and 1 case visited Thailand (6.3%). 9 cases (32.1%) reported initial symptoms of fever or heat sensation, 9 cases (32.1%) reported having a sore throat, 5 cases (17.9%) reported having a cough or sputum, 5 cases (17.9%) reported having the chills, and 4 cases (14.3%) reported having general muscle pain. There were 3 asymptomatic cases (10.7%) and 18 confirmed cases (64.3%) were diagnosed with pneumonia after admission.
This paper found that seven infected individuals with confirmed paths of infection were family members (70.0%), and three individuals were acquaintances (30.0%): 1 case was exposed in a restaurant (10.0%), 1 case was exposed at church (10.0%), and 1 case was exposed at another location (10.0%). In other words, these individuals were infected through prolonged exposure, such as sharing common living areas and meals. This paper found that, to date, Korean patients with COVID-19 were identified as 2ndgeneration cases starting from imported index cases, but there were no cases that were not confirmed by epidemiological relevance. Most of the early symptom’s of the patients were mild, asymptomatic, and infectious. Since it was determined that 1st and 2nd generation cases were infected through prolonged close contact, this paper suggested that it is important to establish early detection strategies for COVID-19 based on these epidemiological characteristics.
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KEYWORD
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2019-nCoV, 2019 novel Corona virus, COVID-19, SARS-CoV-2, Epidemiological study, Characteristics
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