A 2004 survey found that, among children born after the start of the vaccination programme, 5.2% of those aged seven to 12 years were hepatitis b-antigen-positive.

2004年所作的一项调查发现，计划免疫活动开始以来出生的儿童中，有5.2%的7至12岁儿童呈乙肝抗原阳性反应。

youdao

It turned out to be the surface antigen, or immune-response trigger, for hepatitis b-a principal killer among the world's diseases, and a chief precursor of liver cancer.

这就是乙肝表面抗原，也就是免疫反应的触发物质。乙肝是世界疾病谱中的头号杀手，肝癌的首要病因。

youdao

The inventive compositions can comprise a combination of the hepatitis B antigen and other coadministered antigens.

本发明的组合物可以包含乙型肝炎病毒抗原和其他共同给药 抗原的组合。

youdao

Then, your muscle cells would start producing Hepatitis B surface antigen and your immune system recognizing that's a foreign protein would start responding to it.

于是,肌肉细胞将会,开始制造乙肝表面抗原,然后免疫系统就会识别出,那是外来蛋白质并且产生免疫应答

耶鲁公开课 - 生物医学工程探索课程节选