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血清流行病学调查资料表明乙型肝炎(以下简称“乙肝”)是世界性问题,全球受染者达2亿以上,而以亚非地区感染率较高(>8％)。近年来免疫学的进展,检测技术灵敏性提高,检出率有所增加,由于大部分受染者呈现无症状型抗原携带或所谓健康携带者,其血清抗原滴度更高,同样起传染源的作用。我国血清流行病学调查阳性率呈两个年龄高峰,故分析传播途径来自母婴传播及青少年时期人群聚集性密切接触。最近我们对某厂炊事员222人进行了一次体检及乙肝3个系统血清学标志普查,总阳性率26.1％,兹报告如下:
Serological epidemiological survey data show that hepatitis B (hereinafter referred to as “hepatitis B”) is a worldwide problem, reaching more than 200 million people worldwide, while in Asia and Africa higher infection rates (> 8%). In recent years, the progress of immunology, detection technology increased sensitivity, the detection rate increased, as most of the infected patients with asymptomatic antigen-carrying or so-called health carriers, the serum antigen titers higher, the same source of infection Role. The positive rate of serological survey in China showed two age peaks. Therefore, the analysis of transmission routes came from the mother-to-child transmission and close contact with the crowd gathering in adolescence. Recently, we conducted a staff examination of a factory cook 222 and serological markers of hepatitis B system census, the total positive rate of 26.1%, it is reported as follows: