乙型肝炎表面抗原(HBsAg),可经各种体液排出体外,极易造成环境污染。目前,除医源性污染已成为一个被人们共同重视的问题外,对于HBsAg在其它环境中可能造成的污染尚少调查。我们曾对HBsAg在公共场所——影剧院的污染情况作了一些调查,现将结果报告于后。材料与方法一、采样场所标本均采自三个县的影院、剧场、礼堂。其建筑形式虽有不同,但结构大体相似。采样时间在元至三月份。场内除换场时有短时的开窗通风外,在全部演出时门窗紧闭,采样在演出过程中同时进行。标本采集为每日一 Hepatitis B surface antigen (HBsAg), can be excreted by a variety of body fluids, can easily lead to environmental pollution. At present, in addition to the iatrogenic pollution has become a common issue of attention, there is little investigation into the possible pollution caused by HBsAg in other environments. We have done some surveys on the contamination of HBsAg in public places, theaters, and we report the results later. Materials and methods First, the sampling sites were collected from three counties theater, theater, auditorium. Although its architectural form is different, but the structure is generally similar. Sampling time is from Yuan to March. In addition to the venue for a short time when the window ventilation, in all the performance of doors and windows closed, sampling in the process of performing at the same time. Specimen collected for daily one