Hyunjin Son
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View article: Study Protocol for the Korean Human Exposure Safety Survey (KoHESS): A National Biomonitoring Program for Food and Consumer Product Safety
Study Protocol for the Korean Human Exposure Safety Survey (KoHESS): A National Biomonitoring Program for Food and Consumer Product Safety Open
This protocol paper describes the design and methodology of the Korean Human Exposure Safety Survey (KoHESS), a three-year national biomonitoring program (2023-2025). Korea's Act on Risk Assessment of Products for Human Use necessitates sc…
View article: Seroprevalence and Epidemiological Insights into Severe Fever with Thrombocytopenia Syndrome on Jeju Island, Republic of Korea
Seroprevalence and Epidemiological Insights into Severe Fever with Thrombocytopenia Syndrome on Jeju Island, Republic of Korea Open
Severe fever with thrombocytopenia syndrome (SFTS) is an emerging tick-borne disease caused by the SFTS virus, posing significant public health challenges in East Asia. This study aimed to evaluate the seroprevalence of SFTS on Jeju Island…
View article: Associations Between Multiple Falls and Mental Health Indices in Korean Older Adults: A Cross-sectional Study
Associations Between Multiple Falls and Mental Health Indices in Korean Older Adults: A Cross-sectional Study Open
Objectives: This study was performed to investigate the prevalence of falls, mental health issues, and health behaviors among older adults, as well as to analyze the association between multiple falls and mental health status in this popul…
View article: An outbreak of Clostridium perfringens infection on a training ship anchored in Busan, Korea
An outbreak of Clostridium perfringens infection on a training ship anchored in Busan, Korea Open
OBJECTIVES: In September 2023, an outbreak of food-borne disease occurred among students on a training ship docked in Busan. This was an epidemiological investigation with the aim of improving infection prevention activities and group meal…
View article: Prevalence, Risk Factors, and Impact of Long COVID Among Adults in South Korea
Prevalence, Risk Factors, and Impact of Long COVID Among Adults in South Korea Open
Objectives: This study aimed to identify the prevalence, risk factors, and impact of long COVID in a community-based representative sample of patients with COVID-19 aged 19–64 years. Methods: A total of 975 participants completed online or…
View article: Association between Changes in Daily Life Due to COVID-19 and Depressive Symptoms in South Korea
Association between Changes in Daily Life Due to COVID-19 and Depressive Symptoms in South Korea Open
We aimed to examine changes in daily life due to coronavirus disease 2019 (COVID-19) among younger (≤64 years) and older (≥65 years) individuals and to analyze their association with depressive symptoms. Raw data from the 2020 Korean Commu…
View article: Gender differences in hepatitis A seropositivity rates according to the Republic of Korea’s vaccination policy
Gender differences in hepatitis A seropositivity rates according to the Republic of Korea’s vaccination policy Open
Objectives: This study aimed to investigate differences in the anti-hepatitis A (HAV) antibody seropositivity rate by age and gender.Methods: We collected information on anti-HAV immunoglobulin G and immunoglobulin M status from samples su…
View article: Predictors, mortality, and health outcomes of intensive phase non-adherence to a regimen in patients with drug-susceptible tuberculosis: a nationwide linkage database
Predictors, mortality, and health outcomes of intensive phase non-adherence to a regimen in patients with drug-susceptible tuberculosis: a nationwide linkage database Open
Non-adherence during intensive phase increased mortality risk by twofold, underscoring targeted intervention for high-risk population, including advanced diabetes, and immunocompromised patients.
View article: Temporal Trends in Syphilis Incidence among Men with HIV in Busan, Korea, 2005–2022: A Retrospective Cohort Study
Temporal Trends in Syphilis Incidence among Men with HIV in Busan, Korea, 2005–2022: A Retrospective Cohort Study Open
We aimed to assess the temporal trends of incident syphilis and its associated risk factors among men with HIV (Human Immunodeficiency Virus) in Korea during the COVID-19 pandemic. We conducted a retrospective cohort study of men with HIV …
View article: Prevalence and risk factors of post-acute sequelae of COVID-19 (PASC) among adults in South Korea
Prevalence and risk factors of post-acute sequelae of COVID-19 (PASC) among adults in South Korea Open
BACKGROUND AND AIM: Many people continue to experience symptoms even after the acute phase of COVID-19, and the World Health Organization defines cases where symptoms persist beyond three months after the onset of COVID-19 as Post COVID-19…
View article: Improved time-varying reproduction numbers using the generation interval for COVID-19
Improved time-varying reproduction numbers using the generation interval for COVID-19 Open
Estimating key epidemiological parameters, such as incubation period, serial interval (SI), generation interval (GI) and latent period, is essential to quantify the transmissibility and effects of various interventions of COVID-19. These k…
View article: Characteristics of Critically Ill COVID-19 Patients in Busan, Republic of Korea
Characteristics of Critically Ill COVID-19 Patients in Busan, Republic of Korea Open
Background: This study aimed to improve the clinical course of patients through rapid response by analyzing the characteristics of critically ill patients with confirmed coronavirus disease 2019 (COVID-19) in Busan between December 1, 2020…
View article: Comparative safety of bedaquiline and delamanid in patients with multidrug resistant tuberculosis: A nationwide retrospective cohort study
Comparative safety of bedaquiline and delamanid in patients with multidrug resistant tuberculosis: A nationwide retrospective cohort study Open
This study adds to the emerging evidence refuting the higher mortality rate observed in the bedaquiline trial population. Association between bedaquiline and acute liver injury needs careful interpretation considering for other background …
View article: Evaluation of the accessibility and its equity of the national public-private mix program for tuberculosis in Korea: a multilevel analysis
Evaluation of the accessibility and its equity of the national public-private mix program for tuberculosis in Korea: a multilevel analysis Open
OBJECTIVES: To examine the effect of individual and area-level characteristics on the probability of public-private mix (PPM) support (PPM coverage) for tuberculosis (TB).METHODS: This study is a retrospective cohort design using TB report…
View article: Socioeconomic disparities and multidrug-resistant tuberculosis in South Korea: Focus on immigrants and income levels
Socioeconomic disparities and multidrug-resistant tuberculosis in South Korea: Focus on immigrants and income levels Open
Risk factors of MDR-TB remain unclear in South Korea, despite being an important public health issue. Findings from this study, which included ≥50,000 patients with TB from South Korea, suggests that immigrants and patients with lower inco…
View article: <i>MTHFR, As3MT</i> and <i>GSTO1</i> Polymorphisms Influencing Arsenic Metabolism in Residents Near Abandoned Metal Mines in South Korea
<i>MTHFR, As3MT</i> and <i>GSTO1</i> Polymorphisms Influencing Arsenic Metabolism in Residents Near Abandoned Metal Mines in South Korea Open
Ulziikhishig Surenbaatar, Byoung-Gwon Kim, Hyun-Jin Son, Seong-Sik Cho, Gwon-Min Kim, Hyoun-Ju Lim, Jung-Yeon Kwon, Ki-Hwan Kim, and Young-Seoub Hong. J Environ Health Sci. 2021;47:530-9. https://doi.org/10.5668/JEHS.2021.47.6.530
View article: An outbreak of hepatitis A associated with salted clams in Busan, Korea
An outbreak of hepatitis A associated with salted clams in Busan, Korea Open
OBJECTIVES: In July 2019, there were multiple reports on patients with hepatitis A among the visitors of a restaurant in Busan. The current study presents the results of an epidemiological investigation and outlines the supplementary measu…
View article: Precautionary Behavior Practices and Psychological Characteristics of COVID-19 Patients and Quarantined Persons
Precautionary Behavior Practices and Psychological Characteristics of COVID-19 Patients and Quarantined Persons Open
Background: since the coronavirus disease (COVID-19) was first reported in 2019, South Korea has enforced isolation of patients with confirmed cases of COVID-19, as well as quarantine for close contacts of individuals diagnosed with COVID-…
View article: Adherence and Associated Factors of Treatment Regimen in Drug-Susceptible Tuberculosis Patients
Adherence and Associated Factors of Treatment Regimen in Drug-Susceptible Tuberculosis Patients Open
Background: Adherence to tuberculosis (TB) drugs is one of the key aspects of global TB control, yet there is a lack of epidemiological evidence on the factors influencing adherence to TB drugs. Thus, this study aimed to explore the adhere…
View article: Comparative outcomes of lopinavir/ritonavir and hydroxychloroquine for the treatment of COVID-19 with mild-to-moderate severity: A retrospective observational study
Comparative outcomes of lopinavir/ritonavir and hydroxychloroquine for the treatment of COVID-19 with mild-to-moderate severity: A retrospective observational study Open
Background Lopinavir/ritonavir (LPV/r) and hydroxychloroquine (HCQ) are both being used to treat coronavirus disease 2019 (COVID-19), but their relative effectiveness is unknown. The purpose of this study was to compare the clinical outcom…
View article: Follow up investigation of asymptomatic COVID-19 cases at diagnosis in Busan, Korea
Follow up investigation of asymptomatic COVID-19 cases at diagnosis in Busan, Korea Open
Among the 98 confirmed cases, asymptomatic infection was confirmed in four cases (4.0%). In addition, there was one additional confirmed case in which the patient was a family member who came in close contact with an index patient during t…
View article: Epidemiological characteristics of and containment measures for coronavirus disease 2019 in Busan Metropolitan City, South Korea
Epidemiological characteristics of and containment measures for coronavirus disease 2019 in Busan Metropolitan City, South Korea Open
The early containment strategy implemented in Busan shows that control is possible if outbreaks are of limited scope. In preparation for future outbreaks, public health and healthcare systems should be re-examined and put in a ready state.
View article: Comparative outcomes of lopinavir/ritonavir and hydroxychloroquine for the treatment of coronavirus disease 2019 with mild to moderate severity.
Comparative outcomes of lopinavir/ritonavir and hydroxychloroquine for the treatment of coronavirus disease 2019 with mild to moderate severity. Open
Background : Lopinavir/ritonavir and hydroxychloroquine are both being used to treat COVID-19, but their relative effectiveness is unknown. The purpose of this study was to compare the clinical outcomes of patients treated for COVID-19 wit…
View article: Causes and countermeasures for repeated outbreaks of hepatitis A among adults in Korea
Causes and countermeasures for repeated outbreaks of hepatitis A among adults in Korea Open
The 2019 hepatitis A outbreak has become increasingly prevalent among adults in Korea and is the largest outbreak since that in 2009-2010. The incidence in the current outbreak is highest among adults aged 35-44 years, corresponding to the…
View article: A large outbreak of Salmonella enterica serovar Thompson infections associated with chocolate cake in Busan, Korea
A large outbreak of Salmonella enterica serovar Thompson infections associated with chocolate cake in Busan, Korea Open
OBJECTIVES: This study aimed to reveal the epidemiologic characteristics of the outbreak of gastroenteritis caused by Salmonella enterica serovar Thompson in Busan Metropolitan City and to identify points for improvement to prevent of food…