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Chang Hyeong Lee

Biographic Data

ID7799240
NAMEChang Hyeong Lee
GIVEN NAMESChang Hyeong
FAMILY NAMELee
SIGNATURELEE C H
AFFILIATIONSUlsan National Institute of Science and Technology
ORCID0000-0003-3247-5791
VERIFIEDYes
TOTAL WORKS5
TOTAL CITATIONS0
WORKS AS AUTHOR5
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2020
LATEST PUBLICATION YEAR2025
H-INDEX0
  • A novel framework for inferring dynamic infectious disease transmission with graph attention

    Open Access•Minji Lee, Heejin Choi et al.•ARTICLE•BMC Public Health•2025

    MPUGAT offers a novel approach for effectively integrating easily accessible, low-dimensional, non-epidemic-related data into epidemic modeling frameworks. Our findings highlight the importance of incorporating dynamic data and utilizing graph attention mechanisms to enhance accuracy of infectious disease modeling and the analysis of policy interventions. This study underscores the potential of leveraging diverse data sources and advanced deep le…

  • The effect of shortening the quarantine period and lifting the indoor mask mandate on the spread of Covid-19

    Open Access•Jung Eun Kim, Heejin Choi et al.•ARTICLE•Frontiers in Public Health•2023

    In this paper, we present a mathematical model to assess the impact of reducing the quarantine period and lifting the indoor mask mandate on the spread of Coronavirus Disease 2019 (COVID-19) in Korea. The model incorporates important epidemiological parameters, such as transmission rates and mortality rates, to simulate the transmission of the virus under different scenarios. Our findings reveal that the impact of mask wearing fades in the long t…

  • The economic impact of Covid-19 interventions

    Open Access•Jung Eun Kim, Heejin Choi et al.•ARTICLE•Frontiers in Public Health•2022

    Prior to vaccination or drug treatment, non-pharmaceutical interventions were almost the only way to control the coronavirus disease 2019 (COVID-19) epidemic. After vaccines were developed, effective vaccination strategies became important. The prolonged COVID-19 pandemic has caused enormous economic losses worldwide. As such, it is necessary to estimate the economic effects of control policies, including non-pharmaceutical interventions and vacc…

  • Vaccination Prioritization Strategies for Covid-19 in Korea

    Open Access•Yongin Choi, James Slghee Kim et al.•ARTICLE•International Journal of…•2021

    Coronavirus disease 2019 (COVID-19) vaccination has recently started worldwide. As the vaccine supply will be limited for a considerable period of time in many countries, it is important to devise the effective vaccination strategies that reduce the number of deaths and incidence of infection. One of the characteristics of COVID-19 is that the symptom, severity, and mortality of the disease differ by age. Thus, when the vaccination supply is limi…

  • Assessment of Social Distancing for Controlling Covid-19 in Korea

    Open Access•Yongin Choi, James Slghee Kim et al.•ARTICLE•International Journal of…•2020

    The outbreak of the novel coronavirus disease 2019 (COVID-19) occurred all over the world between 2019 and 2020. The first case of COVID-19 was reported in December 2019 in Wuhan, China. Since then, there have been more than 21 million incidences and 761 thousand casualties worldwide as of 16 August 2020. One of the epidemiological characteristics of COVID-19 is that its symptoms and fatality rates vary with the ages of the infected individuals. …

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  • Assessment of Social Distancing for Controlling Covid-19 in Korea

    Open Access•Yongin Choi, James Slghee Kim et al.•ARTICLE•International Journal of…•2020

    The outbreak of the novel coronavirus disease 2019 (COVID-19) occurred all over the world between 2019 and 2020. The first case of COVID-19 was reported in December 2019 in Wuhan, China. Since then, there have been more than 21 million incidences and 761 thousand casualties worldwide as of 16 August 2020. One of the epidemiological characteristics of COVID-19 is that its symptoms and fatality rates vary with the ages of the infected individuals. …

  • Vaccination Prioritization Strategies for Covid-19 in Korea

    Open Access•Yongin Choi, James Slghee Kim et al.•ARTICLE•International Journal of…•2021

    Coronavirus disease 2019 (COVID-19) vaccination has recently started worldwide. As the vaccine supply will be limited for a considerable period of time in many countries, it is important to devise the effective vaccination strategies that reduce the number of deaths and incidence of infection. One of the characteristics of COVID-19 is that the symptom, severity, and mortality of the disease differ by age. Thus, when the vaccination supply is limi…

  • The economic impact of Covid-19 interventions

    Open Access•Jung Eun Kim, Heejin Choi et al.•ARTICLE•Frontiers in Public Health•2022

    Prior to vaccination or drug treatment, non-pharmaceutical interventions were almost the only way to control the coronavirus disease 2019 (COVID-19) epidemic. After vaccines were developed, effective vaccination strategies became important. The prolonged COVID-19 pandemic has caused enormous economic losses worldwide. As such, it is necessary to estimate the economic effects of control policies, including non-pharmaceutical interventions and vacc…

  • The effect of shortening the quarantine period and lifting the indoor mask mandate on the spread of Covid-19

    Open Access•Jung Eun Kim, Heejin Choi et al.•ARTICLE•Frontiers in Public Health•2023

    In this paper, we present a mathematical model to assess the impact of reducing the quarantine period and lifting the indoor mask mandate on the spread of Coronavirus Disease 2019 (COVID-19) in Korea. The model incorporates important epidemiological parameters, such as transmission rates and mortality rates, to simulate the transmission of the virus under different scenarios. Our findings reveal that the impact of mask wearing fades in the long t…

  • A novel framework for inferring dynamic infectious disease transmission with graph attention

    Open Access•Minji Lee, Heejin Choi et al.•ARTICLE•BMC Public Health•2025

    MPUGAT offers a novel approach for effectively integrating easily accessible, low-dimensional, non-epidemic-related data into epidemic modeling frameworks. Our findings highlight the importance of incorporating dynamic data and utilizing graph attention mechanisms to enhance accuracy of infectious disease modeling and the analysis of policy interventions. This study underscores the potential of leveraging diverse data sources and advanced deep le…

COVID-19 epidemiological studies (5 works) · Disease (5 works) · Environmental health (5 works) · Medicine (5 works) · SARS-CoV-2 and COVID-19 Research (4 works) · Computer Science (3 works) · Coronavirus disease 2019 (COVID-19 (3 works) · Epidemiology (3 works) · Infectious disease (medical specialty (3 works) · Pandemic (3 works)

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