Progress towards the elimination of hepatitis B in children in Colombia: A novel two‐phase study approach
The World Health Organization (WHO) has established a target to eliminate mother‐to‐child‐transmission (EMTCT) of hepatitis B virus (HBV), defined as a prevalence of hepatitis B surface antigen (HBsAg) of ≤0.1% among children, by 2030. Using nationally representative serosurveys to verify achievemen...
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Veröffentlicht in: | Journal of viral hepatitis 2022-09, Vol.29 (9), p.737-747 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The World Health Organization (WHO) has established a target to eliminate mother‐to‐child‐transmission (EMTCT) of hepatitis B virus (HBV), defined as a prevalence of hepatitis B surface antigen (HBsAg) of ≤0.1% among children, by 2030. Using nationally representative serosurveys to verify achievement of this target requires large sample sizes and significant resources. We assessed the feasibility of a potentially more efficient two‐phase method to verify EMTCT of HBV in Colombia. In the first phase, we conducted a risk assessment to identify municipalities at the highest risk of ongoing HBV transmission. We ranked the 1122 municipalities of Colombia based on the reports of HBV infection in pregnant women per 1000 population. Municipalities with ≥0.3 reports per 1000 persons (equating to the top quartile) were further assessed based on health facility birth rates, coverage with three doses of hepatitis B vaccine (HepB3) and seroprevalence data. Hepatitis B risk was considered to be further increased for municipalities with HepB3 coverage or health facility birth rate |
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ISSN: | 1352-0504 1365-2893 |
DOI: | 10.1111/jvh.13719 |