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Updated: Aug 15, 2026
Rapid Detection of Fecal Antigen of Helicobacter pylori Infection Based on Double Antibody Sandwich Detection Technology
Published on: May 23, 2025
[Epidemiology and transmission route of Helicobacter pylori infection]
1Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University, Bundang Hospital, Seongnam, Korea. nayoungkim49@yahoo.co.kr
Insights
Helicobacter pylori (H. pylori) infection prevalence varies globally. A Korean study found 46.6% seroprevalence, with childhood factors significantly impacting adult infection rates, highlighting transmission routes needing further research.
Area of Science:
- Epidemiology
- Infectious Diseases
- Public Health
Background:
- Helicobacter pylori (H. pylori) is a common bacterial infection, primarily acquired in childhood.
- Intrafamilial spread is a known factor, but the major transmission route remains unclear.
- H. pylori prevalence differs significantly across countries, ethnicities, and socioeconomic statuses.
Purpose of the Study:
- To assess the seroprevalence of H. pylori infection in a Korean population.
- To identify epidemiological factors associated with H. pylori infection in adults and children.
- To provide insights into potential transmission routes of H. pylori.
Main Methods:
- A nation-wide seroprevalence study was conducted on 5,732 asymptomatic Koreans from March to October 1998.
- Multivariate analysis was used to identify factors associated with H. pylori seroprevalence.
- Data included demographic, socioeconomic, and environmental variables.
Main Results:
- Overall H. pylori seroprevalence was 46.6%, indicating a transition towards developed country status.
- Seroprevalence was 17.2% in children (neonate-15 yrs) and 66.9% in adults (16-79 yrs).
- Significant factors for adult infection included sex, age, geography, childhood crowding, economic status, and housing type. In children, age, geography, income, mother's education, and drinking water source were significant.
Conclusions:
- H. pylori infection shows significant variation based on demographic and socioeconomic factors in Korea.
- Childhood environmental and socioeconomic conditions are strongly linked to H. pylori infection in adulthood.
- Further research is warranted to elucidate transmission routes and update epidemiological data given the time elapsed since the study.
Abstract:
Helicobacter pylori (H. pylori) infection is a common bacterial infection among humans. Current knowledge implies that acquisition of H. pylori seems to occur predominantly in childhood and a major role of intrafamilial spread is now beyond controversy. However, the major route of transmission remains poorly understood. The prevalence of H. pylori infection continues to vary markedly between developing countries and developed countries, and according to ethnicity, place of birth and socioeconomic factors among people living in the same country. According to the nation-wide seroprevalence study for 5,732 asymptomatic Korean population, which was conducted from March 1998 to October 1998, the seroprevalence of H. pylori infection was 46.6%, showing the transition from a developing country to a developed country. The seroprevalence in children (neonate-15 yr) and adult (16-79 yrs) were 17.2% and 66.9%, respectively. According to multivariate analysis, variables such as sex, age, geographic area, crowding (number of person per room) in childhood, economic status in childhood, and types of housing in childhood were significantly and independently associated with H. pylori seroprevalence of adults. In children, age, geographic area, household income, mother's education, and drinking water source were significant factors of H. pylori infection. As 7 years has already passed since the nation-wide study, well designed study for the seroprevalence of H. pylori infection, by which epidemiological factors and the route of transmission of H. pylori infection could be discovered, is warranted.
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