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Updated: Nov 16, 2025

A Protocol for Analyzing Hepatitis C Virus Replication
Published on: June 26, 2014
Seroprevalence of Hepatitis C in Children Without Identifiable Risk-Factors: A Systematic Review and Meta-Analysis
Vasiliki Melikoki1, Georgia Kourlaba2, Ino Kanavaki3
1Department of Pediatrics, General Hospital TZANEIO, Piraeus.
Insights
Hepatitis C virus (HCV) affects 0.87% of children globally, with higher rates in Africa and among older children. Early antiviral treatment for children is crucial for HCV elimination strategies.
Area of Science:
- Hepatology
- Virology
- Public Health
Background:
- Hepatitis C virus (HCV) poses a significant global health challenge, with over 80 million infections worldwide.
- Direct-acting antiviral (DAA) therapies are now available for children aged 3 and above, making early intervention crucial.
- Understanding HCV epidemiology in pediatric populations is essential for effective public health strategies and awareness.
Purpose of the Study:
- To systematically review and assess the prevalence of Hepatitis C virus (HCV) infection in children globally.
- To synthesize current data on HCV epidemiology in pediatric populations to inform public health interventions.
Main Methods:
- A systematic review of studies reporting Hepatitis C prevalence in children was conducted.
- Studies focusing exclusively on high-risk groups were excluded to determine general population prevalence.
- Data from 58 studies were analyzed to calculate overall and regional HCV prevalence in children.
Main Results:
- An overall HCV prevalence of 0.87% was identified in children, varying regionally from 0.34% (Europe) to 3.02% (Africa).
- HCV viremia was detected in 56.8% of infected children.
- Prevalence was significantly higher in children over 10 years (0.97%) compared to those under 10 (0.75%), with no sex-based difference.
Conclusions:
- The substantial prevalence of HCV in children, potentially underestimated due to underdiagnosis, highlights the need for targeted interventions.
- Antiviral treatment strategies for Hepatitis C elimination should consider including pre-adolescent children.
- Early diagnosis and treatment in pediatric populations are vital for reducing the long-term burden of HCV.
Objectives:
Hepatitis C virus (HCV) remains a major public health burden for >30 years since its discovery. It is estimated that >80 million people have been already infected. Direct-acting antiviral (DAA) treatment is now approved for young children over the age of 3 years. Treating children before the development of high-risk behaviors is optimal. Thus, assessing the current epidemiology of HCV in children becomes important and may promote awareness.
Methods:
Articles describing the prevalence of hepatitis C in children, were systematically reviewed. To assess HCV infection prevalence in the general population, studies discussing high-risk groups alone were excluded.
Results:
Data from 58 studies were analyzed. National data was scarce. An overall prevalence of HCV in children of 0.87% was found, ranging from 0.34% in Europe to 3.02% in Africa. Prevalence of viremic infection is important and data synthesis from available data indicated that HCV viremia was detected in 56.8% of children. The prevalence of HCV according to sex was described in 25 studies but no difference between sexes was detected. HCV prevalence was significantly higher in children older than 10 years (0.97%) when compared to those ages under 10 years old (0.75%, P < 0.001).
Conclusions:
Considering probable underdiagnosis of HCV infection in children, this information reveals that prevalence is substantial. One may argue that future strategies aiming towards HCV elimination, may need to include antiviral treatment of pre-adolescent children as well.
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