PHWR Public Health Weekly Report

Vol.13 No.23, June 04, 2020 Article TypeCOVID-19 Special ReportEpidemiology and SurveillanceNoncommunicable Disease Statistics

• COVID-19 Special Report 2020-06-04

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  Weekly report on the COVID-19 situation in the Republic of Korea (As of May 30, 2020)

  Kim Miyoung, Kweon Sanghui, Kim Yeonju, Kim Younghwa, Yeom Hansol, Choi So Young, Hwang Insob, Yoo Hyosoon, Park Young Joon, Gwack Jin, Park Ok

  Public Health Weekly Report 2020; 13(23): 1614-1626

  

  

  Abstract

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  This is a weekly report on the COVID-19 situation in the Republic of Korea based on the confirmed cases reported through the Integrated System to Korea Centers for Disease Control and Prevention according to the INFECTIOUS DISEASE CONTROL AND PREVENTION ACT and based on the epidemiological investigation by central and local health authorities.
  As of May 30, 2020, there were 11,478 confirmed cases of COVID-19, and including 270 deaths. Confirmed cases were reported in all 17 provinces/cities in Korea, with the highest number of cases from Daegu, Gyeongbuk, Seoul, and Gyeonggi. The results indicated that, by gender, women accounted for a slightly higher proportion (58.2%, n=6,677) of total confirmed cases than men. And, by age the median age was 43 years old (range: 0 to 104 years old).
  The main infectious paths confirmed by epidemiological investigations showed several major clusters related to COVID-19. Of the total cases, the proportion of imported cases was 11.0% (n=1,260); 45.4% (n=5,213) were Shincheonji (and related); 35.0% (n=4,013) are small clusters and contacts of confirmed cases (other than Shincheonji); and 8.6% (n=992) are currently under investigation as per infection route surveys.

• Epidemiology and Surveillance 2020-06-04

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  Response to the COVID-19 National Quarantine Station in Incheon Airport

  Park Jiyun, Kim Dongyoung, Kwon Gihoon, Kim Hansuk

  Public Health Weekly Report 2020; 13(23): 1627-1642

  

  

  Abstract

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  The purpose of this report was to present the characteristics of the quarantine response to COVID-19 by analyzing indicators at the Incheon Airport National Quarantine Station (the IANQS). In 2020, quarantine in South Korea gradually strengthened following the global spread of COVID-19. As a result, the daily number of inbound travelers decreased, but the collection rate of health declaration forms(HDFs) reached 96.6 percent of those who entered South Korea.
  The target period for analysis was from January 2nd to May 15th, 2020 and the main results are as follows.
  First, the total number of quarantine targets was 5,690,933, and the collected number of HDFs was 892,918. A total of 405 patients including the first confirmed patient(#1) were confirmed by the IANQS among patients under investigation(PUIs) who were detected at the quarantine phase.
  Second, cases with COVID-19 symptoms were affected by the outbreak trends of the departure country. From January to the end of February 2020, the majority of cases with symptoms departed from China, and after March, the number of cases with symptoms increased significantly due to the spread of COVID-19 in Europe and the Unitede States. Flight analyses showed the same results that the percentage of PUI passengers was high in flights from departure cities with high prevalence.
  Third, 84% of 404 confirmed cases from March 14th to May 15th, 2020 had been in Europe and the United States.

• Epidemiology and Surveillance 2020-06-04

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  Development of a double‐antibody sandwich ELISA for sensitive and specific detection of Yersinia pestis

  Choi Sang-Yoon, Jeon Jun Ho, Kang Byung Hak, Rhie Gi-eun

  Public Health Weekly Report 2020; 13(23): 1643-1649

  

  

  Abstract

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  Yersinia pestis is a highly pathogenic gram-negative, rod-shaped bacterium that causes plague. Y. pestis is classified as a high-risk pathogen, due to its severe threat to public health and safety. Antibody-based commercial kits for the detection of Y. pestis are available but these kits are not sensitive enough to identify plague patients in the early stage of infection. Therefore, this study developed a biotin-streptavidin-based sandwich enzyme immunoassay to perform and allow sensitive and specific detection of Y. pestis. In this assay, F1 capsular protein and Y. pestis were captured by anti-F1 mouse monoclonal antibody followed by detection with biotinylated-anti-F1 rabbit polyclonal antibody and horseradish peroxidase- conjugated streptavidin. The F1 sandwich enzyme-linked immunosorbent assay (ELISA) could detect not only the F1 protein up to 17 pg/mL but also Y. pestis up to 129.2 CFU/mL in human serum. In addition, the F1 ELISA did not show any cross-reactivity with various proteins and bacterial strains. This study concluded that F1 ELISA could be utilized as a tool to help confirm the diagnosis of plague patients.

• Epidemiology and Surveillance 2020-06-04

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  Trends in Oral Health Behavior among Korean Middle and High School Students - Results from the Korea Youth Risk Behavior Survey, 2006-2019 -

  Shin Hae-Eun, Kim Yoonjung, Oh Kyungwon

  Public Health Weekly Report 2020; 13(23): 1650-1658

  

  

  Abstract

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  The aim of this paper was to identify the status and trends in oral health behavior among Korean middle and high school students based on the Korea Centers for Disease Prevention and Control’s (KCDC) 2006-2019 Korea Youth Risk Behavior Survey. The findings indicated that the number of middle and high school students who brushed their teeth after lunch in school was low (four out of ten) and that the number decreased slightly. In addition, the number of middle and high school students who received oral health education in school and who had dental sealant and dental scaling increased slightly (three out of ten). Based on these findings, this study recommended developing policies that support the prevention of oral diseases among middle and high school students.

• Noncommunicable Disease Statistics 2020-06-04

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  Trend in rate of Korean adults with limited oral function, 2007-2018; Trend in rate of Korean adults with chewing difficulties, 2007-2018

  Public Health Weekly Report 2020; 13(23): 1659-1662

  

  

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