AI Article Synopsis
- - The prevalence of C. sinensis infection in Korea is declining due to decades of containment efforts, but assessing the impact of changing fish consumption behavior remains complex.
- - A modeling approach was used on infection data from 1981-2012 to evaluate how age, time period, and specific cohorts influenced the infection trends, with projections extending to 2023.
- - Findings indicate that while all age groups are expected to see a decline, those over 40 may still have infection rates above the elimination threshold, emphasizing the need for tailored interventions that consider cohort variations in infection patterns.
Article Abstract
Background: With decades of containment efforts, the prevalence of C. sinensis infection in Korea has shown a declining trend. However, well-tailored intervention assessments remain challenging, particularly when considering the potential impacts of cohort variations in raw freshwater fish consumption behavior, a major transmission route to humans, on this observed decline.
Methodology: We applied an age-period-cohort modeling approach to nationally representative C. sinensis infection prevalence data from 1981-2012 in Korea to assess age, period, and cohort effects on its secular trend and to project the age-stratified prevalence up to 2023.
Principal Findings: Our analysis suggests that both cohort and period effects have substantially contributed to the declining prevalence of C. sinensis infection in Korea. Age-stratified projections up to 2023 suggest a decline in prevalence across all age groups, while those aged over 40 are anticipated to maintain prevalences above the elimination threshold of 1%.
Conclusions: Our study highlights the importance of incorporating cohort effects into intervention assessments aimed at controlling C. sinensis infection. The effectiveness of interventions remains evident in Korea despite adjusting for the cohort effect. This approach, applicable to other endemic countries, would provide valuable insights for intervention assessments and inform future public health planning to eliminate C. sinensis infection.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11498711 | PMC |
| http://dx.doi.org/10.1371/journal.pntd.0012574 | DOI Listing |
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