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在随机抽样的基础上，对我省不同地区的五型病毒性肝炎进行了流行病学分析。结果表明，我省人群存在甲、乙、丙、丁、戊五型肝炎的流行，主要是甲型和乙型，感染率分别高达７５．０６％和６７．３８％，甲肝感染率以山区半山区为最高８２．３６％；乙肝、丁肝感染率海岛分别为８３．２９％、７．４５％，超过其它地区（Ｐ＜０．０１）；城市点ＨＣＶ感染率明显高于农村点，而农村点ＨＡＶ、ＨＢＶ、ＨＤＶ、ＨＥＶ感染率高于城市点；海岛人群的ＨＢｓＡｇ阳性率２１．７０％是大城市７．９２％的２．７４倍，Ⅰ类农村的ＨＢＶ、ＨＣＨ、ＨＤＶ感染率均高于其它类型地区。
On the basis of random sampling, epidemiological analysis of five types of viral hepatitis in different areas of our province was conducted. The results showed that the prevalence of hepatitis A, B, C, D and E in our province was mainly A and B. The infection rates were as high as 75.06% and 67.38%, respectively. The highest was 82.36% in mountainous area; the infection rates of hepatitis B and D were 83.29% and 7.45%, respectively, more than other areas (P <0.01); the infection rate of HCV in urban areas was significantly higher than that in rural areas, The prevalence of HAV, HBV, HDV and HEV in rural areas was higher than that in urban areas. The positive rate of HBsAg in island population was 2.74 times higher than 7.92% in big cities, and the prevalence of HBV, HCH and HDV Higher than other types of areas.