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Seroepidemiology of Hepatitis A in South Korea: A Nationwide Study by the Eone Reference Laboratory

BACKGROUND: We evaluated the recent prevalence of serologic markers of hepatitis A virus (HAV) in South Korea. METHODS: The study data were the results of 60 126 anti-HAV (total) tests and 30 786 anti-HAV IgM tests that were performed during April 2009 through March 2010 by the Eone Reference Labora...

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Detalles Bibliográficos
Autores principales: Cho, Sung Eun, Kim, Youngdae
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Japan Epidemiological Association 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3709547/
https://www.ncbi.nlm.nih.gov/pubmed/23629647
http://dx.doi.org/10.2188/jea.JE20120188
Descripción
Sumario:BACKGROUND: We evaluated the recent prevalence of serologic markers of hepatitis A virus (HAV) in South Korea. METHODS: The study data were the results of 60 126 anti-HAV (total) tests and 30 786 anti-HAV IgM tests that were performed during April 2009 through March 2010 by the Eone Reference Laboratory at the request of 1935 institutions throughout Korea. RESULTS: The overall positivity rate was 51.06% on the anti-HAV (total) test and 11.20% on the anti-HAV IgM test. As compared with the other age groups the rate of anti-HAV (total) positivity was significantly lower (P < 0.001), and the rate of anti-HAV IgM positivity was significantly higher (P < 0.001), among Koreans aged 11 to 40 years. The seroprevalence of anti-HAV IgM significantly differed according to region but not by referral date. CONCLUSIONS: This was the largest nationwide study in South Korea by 1 laboratory, and it provides useful recent baseline data on hepatitis A in Asia. The findings suggest that active immunization of younger Koreans should be made a priority.