Prevalence of antibody to hepatitis C virus in Japanese schoolchildren: comparison with adult blood donors. |
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| Authors: | E Tanaka K Kiyosawa T Sodeyama T Hayata Y Ohike Y Nakano K Yoshizawa S Furuta Y Watanabe J Watanabe |
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| Affiliation: | Second Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Japan. |
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| Abstract: | A total of 1,442 schoolchildren in the Matsumoto City area were investigated for the prevalence of hepatitis virus-related serum markers, including antibody to hepatitis C virus (anti-HCV) and an abnormal serum transaminase level. Despite the large number of children tested, none was positive for anti-HCV antibodies or had been diagnosed as having viral hepatitis. The prevalence of anti-HCV antibodies in children and adult blood donors in the same area increased significantly with age from 0% in the 6-15-year-old group to 1.14% in the 50-65-year-old group (P less than 0.001). Our results indicate that even if only the enzyme-linked immunosorbent assay results confirmed by the recombinant immunoblot assay are considered positive, the prevalence in children is significantly lower than that in blood donors (P less than 0.05). Six children were healthy carriers of hepatitis B virus (HBV); all had been born to carrier mothers. These results indicate that apparently healthy schoolchildren in Japan have a low exposure to HCV infection. |
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