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Development of a Hepatitis B Virus Reporter System to Monitor the Early Stages of the Replication Cycle
Published on: February 1, 2017
Hepatitis B in children
Annemarie L Broderick1, Maureen M Jonas
1Gastroenterology and Nutrition, Division of Gastroenterology, Department of Medicine, Children's Hospital, Boston, Massachusetts, USA.
Insights
Childhood hepatitis B virus (HBV) infection poses significant risks, with infants facing a 90% chance of chronic infection. Universal infant vaccination is key to reducing HBV
Area of Science:
- Pediatric Hepatology
- Virology
- Public Health
Background:
- Childhood hepatitis B virus (HBV) infection presents unique medical and public health challenges.
- Infants infected perinatally have a high risk (up to 90%) of developing chronic HBV.
- Many infected children are asymptomatic with normal liver enzymes, yet risk chronic liver disease or cancer.
Purpose of the Study:
- To review aspects of hepatitis B virus infection unique to or different in children.
- To discuss the evolving optimal treatment strategies for chronic HBV in pediatric populations.
- To highlight the importance of vaccination in managing childhood HBV.
Main Methods:
- Literature review of pediatric HBV infection.
- Analysis of treatment options including interferon-alfa and lamivudine.
- Evaluation of vaccination impact on HBV prevalence.
Main Results:
- Chronic HBV infection in children often presents with minimal symptoms and normal liver enzymes.
- Interferon-alfa and lamivudine are available treatments, but optimal use is still being determined.
- Universal infant vaccination significantly reduces HBV infection rates and long-term complications.
Conclusions:
- Childhood HBV infection requires specialized medical and public health approaches.
- Understanding treatment indications, timing, efficacy, and side effects is crucial for pediatric HBV management.
- Infant vaccination remains the most effective strategy for preventing childhood HBV infection and its sequelae.
Abstract:
Childhood hepatitis B virus (HBV) infection presents both medical and public health challenges. Infants who acquire HBV perinatally have up to 90% risk of developing chronic HBV infection. Many HBV-infected children have normal alanine aminotransferase values and minimal chronic hepatitis. Children with chronic HBV infection are usually asymptomatic but may develop chronic liver disease or hepatocellular carcinoma. Both interferon-alfa and lamivudine are available for the treatment of chronic hepatitis B in children, but the optimal treatment of children with chronic HBV infection is evolving as the indications, timing, efficacy, and side effects of the treatments are better understood. Universal infant vaccination has been shown to decrease the frequency of HBV infection and its sequelae. This article addresses aspects of HBV infection that are either unique to or different in children.
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