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采用逆转录—多聚酶链反应（ＲＴ／ＰＣＲ）法检测了泰安地区４６例输血后丙型肝炎（ＰＴＨ－Ｃ）患者的血清ＨＣＶ－ＲＮＡ，对其中３４例ＨＣＶ－ＲＮＡ阳性者的ＰＣＲ产物用限制性长度多态性分析法（ＲＦＬＰ）进行了ＨＣＶ基因分型。结果ＨＣＶ－Ⅱ型检出率为７３．５％，ＨＣＶ－Ⅲ型检出率为１１．８％；ＨＣＶⅡ／ＨＣＶⅢ型混合感染率为１４．７％，未发现Ⅰ、Ⅳ和Ⅴ型感染。
HCV-RNA was detected in 46 patients with transfusion of hepatitis C (PTH-C) after transfusion by reverse transcription-polymerase chain reaction (RT / PCR) method. PCR products of 34 HCV-RNA positive patients were restricted Sex length polymorphism (RFLP) was used to genotype HCV. Results The detection rate of HCV-Ⅱ was 73.5% and that of HCV-Ⅲ was 11.8%. The infection rate of HCVⅡ / HCV Ⅲ was 14.7%. No infection of type Ⅰ, Ⅳ and Ⅴ was found.