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病毒性肝炎是危害人类健康较严重的一种疾病,为了对本病进行更有效的防治,于1979年8月至1980年2月对西安城、乡病毒性肝炎分布情况及流行因素作如下调查研究。方法以西安城、乡及长安县各种职业人群作为本次调查的对象。以城市人口
Viral hepatitis is a serious endangering human health disease, in order to more effective prevention and treatment of this disease, in August 1979 to February 1980 on the city of Xi’an, the distribution of viral hepatitis and epidemic factors were investigated as follows the study. Methods Xi’an city, township and Chang’an County occupational groups as the object of this survey. Take the city population