CONCLUSION HBV and HCV superinfection exacerbates hepatic damage and promote hepatic failure.

结论HCV重复感染HBV，会加重肝损害，促使病情加剧。

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These findings indicate that in elderly patients, the major infection was HBV, followed by HBV and HCV superinfection.

结果表明，老年慢性肝病患者以HBV感染为主，其次是HBV和HCV重叠感染。

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Conclusion Higher chronic rate was observed in this research. Superinfection of HBV/HCV may have worse clinical outcomes.

结论输血后HCV感染者的慢性化率远远高于乙型肝炎病毒（HBV）感染者，HCV/HBV混合感染者较单一感染者预后差。

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