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Epidemiologic characteristics of early cases with 2019 novel coronavirus (2019-nCoV) disease in Korea

Epidemiology and Health 2020년 42권 1호 p.7 ~ 7
기모란,
소속 상세정보
기모란 ( Ki Mo-Ran ) - National Cancer Center Graduate School of Cancer Science and Policy Department of Cancer Control and Population Health

Abstract


In about 20 days since the diagnosis of the first case of the 2019 novel coronavirus (2019-nCoV) in Korea on January 20, 2020, 28 cases have been confirmed. Fifteen patients (53.6%) of them were male and median age of was 42 years (range, 20-73). Of the confirmed cases, 16, 9, and 3 were index (57.2%), first-generation (32.1%), and second-generation (10.7%) cases, respectively. All first-generation and second-generation patients were family members or intimate acquaintances of the index cases with close contacts. Fifteen among 16 index patients had entered Korea from January 19 to 24, 2020 while 1 patient had entered Korea on January 31, 2020. The average incubation period was 3.9 days (median, 3.0), and the reproduction number was estimated as 0.48. Three of the confirmed patients were asymptomatic when they were diagnosed. Epidemiological indicators will be revised with the availability of additional data in the future. Sharing epidemiological information among researchers worldwide is essential for efficient preparation and response in tackling this new infectious disease.

키워드

2019-nCoV; Quarantine; Isolation; Outbreak; Epidemiology; Korea

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