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Delta hepatitis in Kiribati: a pacific focus
1Department of Gastroenterology, St. Thomas' Hospital, London, England.
Journal of Medical Virology
|October 1, 1989
Summary
Hepatitis delta virus antibodies were found in 69% of hepatitis B-infected individuals in Kiribati. This high prevalence suggests Kiribati migrants may have spread the infection throughout the Pacific region.
Area of Science:
- Hepatology
- Virology
- Epidemiology
Background:
- Hepatitis B virus (HBV) infection is a global health concern.
- Hepatitis delta virus (HDV) is a unique RNA virus that requires HBV for replication.
- The epidemiology of HDV in the Pacific region is not well-documented.
Purpose of the Study:
- To determine the prevalence of HDV infection in the Republic of Kiribati.
- To investigate the distribution of HDV infection among different subgroups.
- To assess the clinical association of HDV superinfection.
Main Methods:
- Serological testing for antibodies to HDV (anti-HDV) in individuals with chronic HBV infection.
- Analysis of anti-HDV prevalence based on geographical location and age.
Main Results:
- Antibodies to HDV were detected in 69% (90/130) of HBV-infected individuals.
- Prevalence varied significantly between geographically isolated subgroups.
- Anti-HDV antibodies were more frequent in individuals over 10 years of age.
- Delta superinfection was unlikely to be associated with acute hepatic illness.
Conclusions:
- Kiribati has the highest recorded prevalence of HDV infection in the Pacific region.
- Migrants from Kiribati may be a significant source of HDV transmission in the region.
- Further research is needed to understand the long-term impact of HDV in this population.
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