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KMID : 1143420200130211491
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Public Health Weekly Report
2020 Volume.13 No. 21 p.1491 ~ p.1502
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Results of the National Infectious Disease Surveillance, from January to April 2020
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Baek Soo-Jin
Lee Ji-Hee
Park Kwang-Suk
Lee Eun-Gyeong
Park Su-Jin
Lee Sang-Hyuk
Lee Ji-Hee
Song Jeong-Suk
Lee Dong-Han
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Abstract
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The Korea Centers for Disease Control and Prevention (KCDC) monitors and manages 86 infectious diseases in four categories according to the 「INFECTIOUS DISEASE CONTROL AND PREVENTION ACT」. Strong prevention measures, which affected not only COVID-19 but also other infectious diseases, began after the first case of Coronavirus Disease-19 (COVID-19) was confirmed on January 20th, 2020.
From January to April 2020, waterborne and foodborne infectious diseases (Category Ⅱ) decreased 71% compared to the
previous year and 51% compared to the average during the past three years. Gastrointestinal infections (Category Ⅵ)
decreased 26% compared to the previous year and 20% compared to the average during the past three years. Of the
respiratory infections (Category Ⅱ), varicella and mumps decreased significantly in March 2020 when emergency remote
teaching (ERT) was adopted as a COVID-19 preventative measure. Furthermore, the influenza epidemic ended on March 27, 2020 twelve weeks earlier than in the 2018-2019 influenza season. Dengue fever, an imported infectious disease, decreased 26% compared to the previous year (2019). However, one case occurred in April 2020 which brought the number of cases down more than 90% from the same period last year (2019).
This study estimated that waterborne and foodborne infectious diseases and respiratory infectious diseases decreased due to the opening of ERT and as individuals adopted strict personal hygiene measures such as hand washing and covering coughs and sneezes. In addition, it was estimated that the number of imported infectious disease cases decreased because of the bans and restrictions on international travel.
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KEYWORD
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Infectious diseases, National infectious diseases surveillance, Sentinel surveillance
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