北京铁路部分人群散发性急性非甲非乙非丙型肝炎病原学分析

对北京铁路地区部分人群５８例散发性急性非甲非乙非丙型肝炎进行了ＨＥＶ和ＨＧＶ血清学调查。结果如下，抗－ＨＥＶ阳性２２例（３７．９３％），抗－ＨＧＶ和ＨＧＶＲＮＡ阳性共１２例（２０．６８％），其中３例为戊型和庚型肝炎病毒混合感染。戊肝、庚肝病毒感染均以３１～４０岁发病最多，且男多于女；戊肝主要发生在冬春季，多有肠道暴露史；庚型肝炎病毒感染无明显季节性，有肠道外暴露史。ＨＧＶ可单独感染，提示它可能有一定的致病性。

ETIOLOGY ANALYSES OF SPORADIC ACUTE NON A C HEPATITIS IN BEIJING RAILWAY AREA.

Serological investigation was carried out for 58 sporadic acute non A C hepatitis patients in Beijing railway area.The results showed that 22 patients were anti HEV positive(37 93%),12 patients were anti HGV and/or HGV RNA positive(20 68%),among them,3 were coinfected with HEV.The infection of HEV and HGV were concentrated mainly on the age of 30-40 years old,and more in male than female;HEV infection often occurred in spring and winter,and transmitted enterically;No significant relation was found between HGV infection and seasons,it spreads parenterally through blood and blood products.HGV can be infected alone,indicating that it might have some pathogenicity.