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Jong-Hun Kim 10 Articles
Effect of socioeconomic disparities on the risk of COVID-19 in eight metropolitan cities, the Republic of Korea: a community-based study
Myung-Jae Hwang, Shin Young Park, Tae-Ho Yoon, Jinhwa Jang, Seon-Young Lee, Myeongsu Yoo, Yoo-Yeon Kim, Hae-Kwan Cheong, Donghyok Kwon, Jong-Hun Kim
Epidemiol Health. 2022;e2022107.   Published online November 15, 2022
DOI: https://doi.org/10.4178/epih.e2022107    [Accepted]
  • 661 View
  • 59 Download
AbstractAbstract PDF
Abstract
Objectives
Socioeconomic disparities have been reported as the main risk factors contributing to the spread of coronavirus disease 2019 (COVID-19) at the community level. We conducted an epidemiological study on the risk of COVID-19 incidence using area deprivation indices (DIs) depending on the characteristics of the susceptible population.
Methods
The database of the confirmed COVID-19 cases in eight metropolitan cities, the Republic of Korea, from January 20, 2020 to December 31, 2021, was combined with the area DIs and standardized prevalence of diabetes and hypertension from the community health survey. The relative risk (RR) was estimated using a generalized linear model with Poisson distribution by age group.
Results
The risk of COVID-19 incidence increased with the increasing age group, especially in patients aged ≥75 years. The RR per interquartile range increment of total social deprivation index (total SDI) was 1.54 (95% confidence interval [CI]: 1.34–1.70) in the COVID-19 incidence. Especially, the risk of COVID-19 incidence in the first wave was about three times higher in the region belonging to the lowest socioeconomic status than in the region with the highest socioeconomic status. The risk was 3.08 (95% CI: 2.42 to 3.78) based on the total SDI and 3.13 (95% CI: 2.53 to 3.83) based on the social deprivation index.
Conclusions
This study provides scientific evidence that socioeconomic inequity is an important risk factor for the spread of COVID-19. This finding suggests that a mid-to-long-term strategy is needed for the susceptible population to reduce the burden of COVID-19 in the community.
Summary
Korean summary
Key Message
Decreased birth weight after prenatal exposure during wildfires on the eastern coast of the Republic of Korea in 2000
En-Joo Jung, Ah-Young Lim, Jong-Hun Kim
Epidemiol Health. 2022;e2023003.   Published online December 9, 2022
DOI: https://doi.org/10.4178/epih.e2023003    [Accepted]
  • 253 View
  • 42 Download
AbstractAbstract PDF
Abstract
Objectives
In April 2000, a series of wildfires occurred simultaneously in five adjacent small cities located on the eastern coast of the Republic of Korea. These wildfires burned approximately 23,794 hectares of forestland over several days. We investigated the effects of birth weight associated with prenatal exposure to the by-products generated by wildfire disasters.
Methods
Birth weight data were obtained for 1999–2001 from the birth registration database of the Korean National Statistical Office, and matched with the zip-code, exposed/unexposed pregnancy week number for days of the wildfires. Then, generalized linear models were used to assess the associations between birth weight and exposure to wildfire after adjusting for fetal sex, gestational age, parity, maternal age, maternal education, paternal education, and exposed average atmospheric temperature.
Results
Compared with unexposed pregnancies before and after the wildfires, mean birth weight decreased by 41.4 g [95% confidence interval (CI): -72.4, -10.4] when exposed to wildfire during the first trimester, 23.2 g [95% CI: -59.3, 13.0] during the second trimester, and 27.0 g [95% CI: -63.8, 9.8] during the third trimester. In the adjusted model for infants exposed in utero during any trimester, the mean birth weight decreased by 32.5 g [95% CI: -53.2, -11.7].
Conclusions
We observed a 1% reduction in birth weight after wildfire exposure. Thus, exposure to by-products generated during a wildfire disaster during pregnancy may cause fetal growth retardation and developmental delays.
Summary
Korean summary
Key Message
Evaluation of clinical severity according to primary infection variants in patients with suspected SARS-CoV-2 reinfection
Myung-Jae Hwang, Insob Hwang, Chungmin Park, Hanul Park, Taejong Son, Jong-Hun Kim
Epidemiol Health. 2022;e2023007.   Published online December 21, 2022
DOI: https://doi.org/10.4178/epih.e2023007    [Accepted]
  • 299 View
  • 53 Download
AbstractAbstract PDF
Abstract
Objectives
We aimed to evaluate the severity of suspected severe acute respiratory syndrome coronavirus 2 reinfection according to the concern of variants in the Republic of Korea.
Methods
The database of COVID-19 cases reported through the integrated system in an epidemiological investigation, by the Korea Disease Control and Prevention Agency, from January 20, 2020 to May 7, 2022, was combined with the Health Insurance Review and Assessment Service system. The severity odds ratio (SOR) at secondary infection episodes compared with primary infection was estimated using a generalized linear model with binomial distribution.
Results
In all patients, the SOR of reinfection was 0.89 (95% confidence interval [CI]: 0.82–0.95), and the severity was relieved compared with their first infection episode. Patients in the vaccinated group within 91 days, the SOR was more declined than 91 days after vaccination as 0.85 (95% CI: 0.74–0.98). However, despite the vaccination, in patients with primary and secondary infections caused by Omicron, the severity was less relieved than in primarily infected episodes with other variants.
Conclusions
We could make efforts to relieve the severity of the vulnerable populations that are likely to lead to death by recommending booster vaccinations in case of a resurgence.
Summary
Korean summary
Key Message
Viral shedding patterns of the symptomatic SARS-CoV-2 infection according to virus-type dominant periods and vaccination status in Gyeonggi Province, Korea
Gawon Choi, Ah-Young Lim, Sojin Choi, Kunhee Park, Soon Young Lee, Jong-Hun Kim
Epidemiol Health. 2022;e2023008.   Published online December 21, 2022
DOI: https://doi.org/10.4178/epih.e2023008    [Accepted]
  • 270 View
  • 28 Download
AbstractAbstract PDF
Abstract
Objectives
We compared the viral cycle threshold (Ct) value of infected patients to better understand the viral kinetics during the dominant period in which a specific virus type according to the vaccination status in Gyeonggi Province, Republic of Korea.
Methods
We obtained case-specific data from the COVID-19 surveillance system, Gyeonggi in-depth epidemiologic report system, and Health Insurance Review & Assessment (HIRA) Service from January 2020 to January 2022. We defined the dominant periods according to the viral sequencing test result and explored Ct values. Using a generalized additive model, we performed a nonlinear regression analysis to determine viral kinetics over time.
Results
Cases in the delta variant dominant period had higher viral shedding patterns than cases in other periods. The temporal change of virus shedding did not differ according to the vaccination status in the omicron variant dominant period but decreased in patients who completed the third vaccination in the delta variant dominant period. The time from symptom onset to peak viral shedding based on the E gene in the case of the omicron and delta variant dominant periods was approximately 2.4 days (95% CI: 2.2-2.5) and 2.1 days (95% CI: 95% CI: 2.0-2.1), respectively.
Conclusions
In the one-time tests conducted to diagnose SARS-CoV-2 infection in a large population, although individual characteristics were not adjusted, it was confirmed that the viral shedding differed according to the dominant strain and vaccination history. These analysis results give utilization value for hundreds of thousands of test data produced at SARS-CoV-2 screening test centers.
Summary
Korean summary
Key Message
Establishment of the Korea National Health and Nutrition Examination Survey air pollution study dataset for the researchers on the health impact of ambient air pollution
Myung-Jae Hwang, Jisun Sung, Miryoung Yoon, Jong-Hun Kim, Hui-Young Yun, Dae-Ryun Choi, Youn-Seo Koo, Kyungwon Oh, Sungha Yun, Hae-Kwan Cheong
Epidemiol Health. 2021;43:e2021015.   Published online February 8, 2021
DOI: https://doi.org/10.4178/epih.e2021015
  • 9,253 View
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  • 3 Citations
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
To provide a nationwide representative dataset for the study on health impact of air pollution, we combined the data from the Korea National Health and Nutrition Examination Survey with the daily air quality and weather data by matching the date of examination and the residential address of the participants. The database of meteorological factors and air quality as sources of exposure data were estimated using the Community Multiscale Air Quality model. The linkage dataset was merged by three ways; administrative district, si-gun-gu (city, county, and district), and geocode (in latitude and longitude coordinate units) based on the participants’ residential address, respectively. During the study period, the exposure dataset of 85,018 individuals (38,306 men and 46,712 women) whose examination dates were recorded were obtained. According to the definition of exposure period, the dataset was combined with the data on short-term, mid-term, and long-term exposure to air pollutants and the meteorological indices. Calculation of the daily merged dataset’s average air pollution linked by si-gun-gu and geocode units showed similar results. This study generated a daily average of meteorological indices and air pollution exposure dataset for all regions including rural and remote areas in Korea for 11 years. It is expected to provide a platform for the researchers studying the health impact of air pollution and climate change on the representative population and area, which may facilitate the establishment of local health care plans by understanding the residents’ health status at the local as well as national level.
Summary
Korean summary
-2007년부터 2017년까지 11년간 국민건강영양조사의 검진조사 대상자의 검진일자와 지리정보를 기준으로 85,018명에 대해 기상 및 대기오염 모델링 자료를 결합하여 조사 대상자의 거주지주소를 이용하여 시·군·구 단위와 주소 기반 위경도 좌표를 기준으로 각각 노출자료를 결합함. -대기오염의 단기노출, 중기노출, 장기노출의 건강영향을 평가하기 위해 지연효과(lag effect)를 적용하여 각 건강자료와 결합함. -기상 및 대기오염 모델링 자료와 연계된 국민건강영양조사의 활용을 위한 data profile을 제시함.
Key Message
-We built a dataset for air pollution research by combining meteorological and air pollution modeling data through CMAQ for 85,018 individuals based on the date of examination and geographic information of the Korea National Health and Nutrition Examination Survey participants for 11 years, from 2007 to 2017. -Each exposure data was combined based on si-gun-gu (city, county, and district) and geocode (in latitude and longitude coordinate units) based on the participants’ residential address. -To evaluate the health effects of short-, medium- and long-term air pollution exposure, the lag values of days, months, and years was applied and combined with each health data. -A data profile was presented for the Korea National Health and Nutrition Examination Survey linked to meteorological and air pollution modeling data.

Citations

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  • Effect of Short- to Long-Term Exposure to Ambient Particulate Matter on Cognitive Function in a Cohort of Middle-Aged and Older Adults: KoGES
    Jane J. Lee, Ji Hyun Kim, Dae Sub Song, Kyoungho Lee
    International Journal of Environmental Research and Public Health.2022; 19(16): 9913.     CrossRef
  • Long-Term Effects of Ambient Particulate and Gaseous Pollutants on Serum High-Sensitivity C-Reactive Protein Levels: A Cross-Sectional Study Using KoGES-HEXA Data
    Ji Hyun Kim, Hae Dong Woo, Sunho Choi, Dae Sub Song, Jung Hyun Lee, Kyoungho Lee
    International Journal of Environmental Research and Public Health.2022; 19(18): 11585.     CrossRef
  • Effects of exposure to ambient air pollution on pulmonary function impairment in Korea: the 2007-2017 Korea National Health and Nutritional Examination Survey
    Soo Beom Choi, Sungha Yun, Sun-Ja Kim, Yong Bum Park, Kyungwon Oh
    Epidemiology and Health.2021; 43: e2021082.     CrossRef
Intervention effects in the transmission of COVID-19 depending on the detection rate and extent of isolation
Okyu Kwon, Woo-Sik Son, Jin Yong Kim, Jong-Hun Kim
Epidemiol Health. 2020;42:e2020045.   Published online June 23, 2020
DOI: https://doi.org/10.4178/epih.e2020045
  • 8,728 View
  • 269 Download
  • 3 Citations
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
Objectives
In 2020, the coronavirus disease 2019 (COVID-19) respiratory infection is spreading in Korea. In order to prevent the spread of an infectious disease, infected people must be quickly identified and isolated, and contact with the infected must be blocked early. This study attempted to verify the intervention effects on the spread of an infectious disease by using these measures in a mathematical model.
Methods
We used the susceptible-infectious-recovery (SIR) model for a virtual population group connected by a special structured network. In the model, the infected state (I) was divided into I in which the infection is undetected and Ix in which the infection is detected. The probability of transitioning from an I state to Ix can be viewed as the rate at which an infected person is found. We assumed that only those connected to each other in the network can cause infection. In addition, this study attempted to evaluate the effects of isolation by temporarily removing the connection among these people.
Results
In Scenario 1, only the infected are isolated; in Scenario 2, those who are connected to an infected person and are also found to be infected are isolated as well. In Scenario 3, everyone connected to an infected person are isolated. In Scenario 3, it was possible to effectively suppress the infectious disease even with a relatively slow rate of diagnosis and relatively high infection rate.
Conclusions
During the epidemic, quick identification of the infected is helpful. In addition, it was possible to quantitatively show through a simulation evaluation that the management of infected individuals as well as those who are connected greatly helped to suppress the spread of infectious diseases.
Summary
Korean summary
본 연구는 행위자 기반 모형의 시뮬레이션 평가를 통해 COVID-19 유행 상황에서 비약물적 중재 효과를 정량적으로 제시하였다. 비약물적 중재에 관한 세 가지 시나리오를 통해 제시한 결과에서, COVID-19 감염자를 신속하게 진단하고, 감염자 본인과 접촉자들을 가능한 한 빨리 모두 격리하여 관리하는 것이 감염병 확산을 억제하는데 있어서 보다 효과적이었다.
Key Message

Citations

Citations to this article as recorded by  
  • Mathematical Modeling of COVID-19 Transmission and Intervention in South Korea: A Review of Literature
    Hyojung Lee, Sol Kim, Minyoung Jeong, Eunseo Choi, Hyeonjeong Ahn, Jeehyun Lee
    Yonsei Medical Journal.2023; 64(1): 1.     CrossRef
  • Non-pharmaceutical interventions during the COVID-19 pandemic: A review
    Nicola Perra
    Physics Reports.2021; 913: 1.     CrossRef
  • Dissection of non-pharmaceutical interventions implemented by Iran, South Korea, and Turkey in the fight against COVID-19 pandemic
    Mohammad Keykhaei, Sogol Koolaji, Esmaeil Mohammadi, Reyhaneh Kalantar, Sahar Saeedi Moghaddam, Arya Aminorroaya, Shaghayegh Zokaei, Sina Azadnajafabad, Negar Rezaei, Erfan Ghasemi, Nazila Rezaei, Rosa Haghshenas, Yosef Farzi, Sina Rashedi, Bagher Larijan
    Journal of Diabetes & Metabolic Disorders.2021; 20(2): 1919.     CrossRef
Trends of accidental carbon monoxide poisoning in Korea, 1951-2018
Jong-Hun Kim, Ah-Young Lim, Hae-Kwan Cheong
Epidemiol Health. 2020;42:e2020062.   Published online August 31, 2020
DOI: https://doi.org/10.4178/epih.e2020062
  • 8,151 View
  • 193 Download
  • 2 Citations
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
Carbon monoxide (CO) poisoning from coal briquette combustion has been a major public health problem in Korea. In this study, we estimated the time trends of the consumption of anthracite coal and the number of CO poisoning victims over the past 7 decades, in the context of changes in heating facilities.
METHODS
Using Population and Housing Census data and energy statistics, we estimated the number of houses using briquettes as heating fuel between 1951 and 2018. After estimating the incidence of CO poisoning in housing units by heating facility type, we determined the ratio of the number of household members who experienced CO poisoning to the overall number of household members. Finally, we estimated the distribution of the victims according to poisoning severity, excluding victims of intentional exposure.
RESULTS
We estimated that, overall, over 26 million people experienced CO poisoning between 1951 and 2018 in Korea. The household consumption of anthracite peaked in 1986, but the number of victims of CO poisoning peaked at approximately 1 million people in 1980. From 1951 to 2018, the cumulative number of CO poisoning victims comprised approximately 22,830,000 mild cases, 3,570,000 severe cases, and 65,000 deaths.
CONCLUSIONS
The peak in the number of CO poisoning victims occurred 6 years earlier than the peak in the number of people using briquettes for heating. This gap resulted from improvements in briquette heating systems. This finding provides a quantitative basis for epidemiological studies on the health outcomes of CO poisoning in the Korean population.
Summary
Korean summary
과거에 연탄을 난방 연료로 사용함으로써 발생하였던 일산화탄소 중독 사고는 한국 사회에서 주요한 공중 보건 문제였다. 본 연구에서는 지난 70년간 연탄 소비에 따른 일산화탄소 중독 피해자 규모를 추정하였다. 본 연구에서 산출된 결과들은 일산화탄소 중독으로 인하여 지속적으로 나타날 수 있는 건강 피해에 대한 역학 연구의 정량적 근거를 제공하고 있다.
Key Message

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  • Acute carbon monoxide poisoning in Shandong, China: an observational study
    Lina Zhang, Di Wu, Mingyue Xu, Yonghui Bian, Youcun Wang, Guangkai Gao, Qing Sun
    Chinese Medical Journal.2022; 135(13): 1539.     CrossRef
  • Development of delayed neurologic sequelae in acute carbon monoxide poisoning cases caused by briquette-based kotatsu
    Makoto Onodera, Yasuhiko Tsukada, Tsuyoshi Suzuki, Kotaro Sorimachi, Kenichi Ebihara, Lubna Sato, Rie Zenda, Satoshi Ueno, Kazuki Sugaya, Ken Iseki
    Medicine.2021; 100(16): e25009.     CrossRef
A small window into the status of malaria in North Korea: estimation of imported malaria incidence among visitors from South Korea
Jisun Sung, Hae-Kwan Cheong, Ah-Young Lim, Jong-Hun Kim
Epidemiol Health. 2020;42:e2020068.   Published online November 21, 2020
DOI: https://doi.org/10.4178/epih.e2020068
  • 5,352 View
  • 155 Download
AbstractAbstract AbstractSummary PDF
Abstract
OBJECTIVES
This study aimed to develop hypotheses on trends in malaria incidence in North Korea using malaria incidence among South Korean visitors to North Korea.
METHODS
The number of South Korean tourists who visited Mount Kumgang from 2000 to 2008 and the number of South Korean employees at the Kaesong Industrial Complex from 2005 to 2015 were obtained from the Korean Statistical Information Service. The number of malaria cases among South Koreans who visited North Korea was obtained from a previous report. The incidence of malaria per 100,000 person-years was calculated using these data and compared with the malaria incidence in North Korea derived from published articles.
RESULTS
A high incidence of malaria in 2001 and a sharp decline in the following years were observed in both South and North Korean data. Since then, North Korean data showed a relatively low and stable incidence, but the incidence among South Koreans visiting North Korea increased in 2006. Considering the trends in mass primaquine preventive treatment, floods, and economic growth rate, the incidence of malaria may have increased in North Korea in 2006. Since 2009, the incidence of malaria decreased gradually according to both South and North Korean data.
CONCLUSIONS
The trends of malaria incidence in North Korea could be reflected through its incidence among South Koreans who visited North Korea. For future inter-Korean collaboration aiming to eradicate malaria, we propose that a North Korean malaria monitoring system be established applying this method.
Summary
Korean summary
본 연구는 2000-2008년 금강산을 여행한 대한민국 국민과 2005-2015년 개성공단에서 근무한 대한민국 국민에서의 말라리아 발생률을 추정하여 국제사회에 보고된 북한의 말라리아 발생률과 비교 평가하였다. 향후 남북한의 교류가 활성화 되었을 때 북한을 방문하고 돌아온 국민에서의 말라리아 발생률 자료를 사용하여 북한 현지에서의 말라리아 발생률 현황 추이를 살펴볼 수 있을 것으로 보인다.
Key Message
Ambient air quality and subjective stress level using Community Health Survey data in Korea
Myung-Jae Hwang, Hae-Kwan Cheong, Jong-Hun Kim, Youn Seo Koo, Hui-Young Yun
Epidemiol Health. 2018;40:e2018028.   Published online June 28, 2018
DOI: https://doi.org/10.4178/epih.e2018028
  • 9,574 View
  • 198 Download
  • 8 Citations
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
Air pollution causes various disease in exposed populations, and can lead to premorbid health effects manifested as both physical and psychological functional impairment. The present study investigated the subjective stress level in daily life in relation to the level of air pollution.
METHODS
Data from the Community Health Survey (2013), comprising 99,162 men, and 121,273 women residing in 253 healthcare administrative districts, were combined with air pollutant concentration modelling data from the Korean Air Quality Forecasting System, and were stratified by subjective stress levels into five strata for multiple logistic regression. Levels of exposure were divided into five quintiles according to the annual concentration of nitrogen dioxide (NO2), and were analyzed using a single-pollutant model using NO2 concentration only, and a multi-pollutant model adjusted for the concentration of particulate matter <10 μm in diameter.
RESULTS
Analysis of men and women in various age groups showed the highest odds ratio (OR) for subjective stress level at the highest NO2 concentration quintile in men and women aged 30–64 years (men: 2.91; 95% confidence interval [CI], 2.12 to 4.01; women: 1.82; 95% CI, 1.32 to 2.51). As the NO2 concentration quintile increased, the OR increased. Men showed higher ORs than women in all strata.
CONCLUSIONS
In the present study, annual NO2 concentrations were found to be associated with subjective stress levels. This association was especially clear among socioeconomically active men and women aged 30-64 years.
Summary
Korean summary
2013년 지역사회건강조사를 이용하여 253개 보건행정지역단위로 Korean Air Quality Forecasting System (KAQFS) 대기물질농도 모델링자료를 결합하여 주관적 스트레스 정도에 따라 5분위로 범주화하여 다항로지스틱회귀을 하였다. 본 연구에서는 연평균 NO2농도와 주관적 스트레스 정도가 관련이 있는 것으로 나타났다. 특히, 사회 경제적 활동이 활발한30세 이상 65세 미만의 남성과 여성에서 관련성이 뚜렷하게 나타났다.
Key Message

Citations

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  • Long-term air pollution exposure, greenspace and health-related quality of life in the ECRHS study
    Anne Boudier, Iana Markevych, Bénédicte Jacquemin, Michael J. Abramson, Simone Accordini, Bertil Forsberg, Elaine Fuertes, Judith Garcia-Aymerich, Joachim Heinrich, Ane Johannessen, Bénédicte Leynaert, Isabelle Pin, Valérie Siroux
    Science of The Total Environment.2022; 849: 157693.     CrossRef
  • The impact of black carbon (BC) on mode-specific galvanic skin response (GSR) as a measure of stress in urban environments
    Xiuleng Yang, Juan Pablo Orjuela, Emma McCoy, Guillem Vich, Esther Anaya-Boig, Ione Avila-Palencia, Christian Brand, Glòria Carrasco-Turigas, Evi Dons, Regine Gerike, Thomas Götschi, Mark Nieuwenhuijsen, Luc Int Panis, Arnout Standaert, Audrey de Nazelle
    Environmental Research.2022; 214: 114083.     CrossRef
  • Effects of ambient air pollution on psychological stress and anxiety disorder: a systematic review and meta-analysis of epidemiological evidence
    Tanwi Trushna, Vikas Dhiman, Dharma Raj, Rajnarayan R. Tiwari
    Reviews on Environmental Health.2021; 36(4): 501.     CrossRef
  • Green space, air pollution, traffic noise and saliva cortisol in children
    Lizan D. Bloemsma, Alet H. Wijga, Jochem O. Klompmaker, Gerard Hoek, Nicole A. H. Janssen, Marieke Oldenwening, Gerard H. Koppelman, Erik Lebret, Bert Brunekreef, Ulrike Gehring
    Environmental Epidemiology.2021; 5(2): e141.     CrossRef
  • Effects of exposure to ambient air pollution on pulmonary function impairment in Korea: the 2007-2017 Korea National Health and Nutritional Examination Survey
    Soo Beom Choi, Sungha Yun, Sun-Ja Kim, Yong Bum Park, Kyungwon Oh
    Epidemiology and Health.2021; 43: e2021082.     CrossRef
  • Impacts of ambient air pollution on glucose metabolism in Korean adults: a Korea National Health and Nutrition Examination Survey study
    Myung-Jae Hwang, Jong-Hun Kim, Youn-Seo Koo, Hui-Young Yun, Hae-Kwan Cheong
    Environmental Health.2020;[Epub]     CrossRef
  • A Development of PM Concentration Reanalysis Method using CMAQ with Surface Data Assimilation and MAIAC AOD in Korea
    Youn-Seo Koo, Dae-Ryun Choi, Hui-Young Yun, Geon-Woo Yoon, Joung-Beom Lee
    Journal of Korean Society for Atmospheric Environment.2020; 36(4): 558.     CrossRef
  • Short-Term Impacts of Ambient Air Pollution on Health-Related Quality of Life: A Korea Health Panel Survey Study
    Myung-Jae Hwang, Jong-Hun Kim, Hae-Kwan Cheong
    International Journal of Environmental Research and Public Health.2020; 17(23): 9128.     CrossRef
Epidemiologic features of the first MERS outbreak in Korea: focus on Pyeongtaek St. Mary’s Hospital
Kyung Min Kim, Moran Ki, Sung-il Cho, Minki Sung, Jin Kwan Hong, Hae-Kwan Cheong, Jong-Hun Kim, Sang-Eun Lee, Changhwan Lee, Keon-Joo Lee, Yong-Shik Park, Seung Woo Kim, Bo Youl Choi
Epidemiol Health. 2015;37:e2015041.   Published online September 17, 2015
DOI: https://doi.org/10.4178/epih/e2015041
  • 18,666 View
  • 265 Download
  • 28 Citations
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
This study investigated the epidemiologic features of the confirmed cases of Middle East Respiratory Syndrome (MERS) in Pyeongtaek St. Mary’s Hospital, where the outbreak first began, in order to identify lessons relevant for the prevention and control of future outbreaks.
METHODS
The patients’ clinical symptoms and test results were collected from their medical records. The caregivers of patients were identified by phone calls.
RESULTS
After patient zero (case #1) was admitted to Pyeongtaek St. Mary’s Hospital (May 15-May 17), an outbreak occurred, with 36 cases between May 18 and June 4, 2015. Six patients died (fatality rate, 16.7%). Twenty-six cases occurred in the first-generation, and 10 in the second-generation. The median incubation period was five days, while the median period from symptom onset to death was 12.5 days. While the total attack rate was 3.9%, the attack rate among inpatients was 7.6%, and the inpatients on the eighth floor, where patient zero was hospitalized, had an 18.6% attack rate. In contrast, caregivers and medical staff showed attack rates of 3.3% and 1.1%, respectively.
CONCLUSIONS
The attack rates were higher than those of the previous outbreaks in other countries. The outbreak spread beyond Pyeongtaek St. Mary’s Hospital when four of the patients were moved to other hospitals without appropriate quarantine. The best method of preventing future outbreaks is to overcome the vulnerabilities observed in this outbreak, such as ward crowding, patient migration without appropriate data sharing, and the lack of an initial broad quarantine.
Summary
Korean summary
평택성모병원에서는 총 36명의 메르스 환자가 발생하여 이중 6명이 사망하였다. 또한 평택성모병원 유행의 발병률은 기존에 알려진 것보다 높았다. 한국의 메르스 유행이 시작된 평택성모병원에서 나타난 초기 방역 부족, 적절한 정보공유 없이 환자들이 병원간에 이동하는 것, 혼잡한 병동 문제 등의 감염병 전파 취약점을 극복하는 것이 향후 새로운 감염병 유행을 막을 수 있는 최선의 방법이 될 것이다.
Key Message

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