乙肝病毒及其抗原一发现，布伦·伯格和他的研究小组就设计实验，以便在输血前对献血者进行鉴别。因为输血经常传播乙肝这种传染病。
Once the virus and its antigen were found, Dr Blumberg and his team devised tests for it, so that donors could be screened before giving the blood that often transmitted the infection.
疫苗是预防和控制传染病的有效途径，筛选出幽门螺杆菌保护性抗原是设计和构建幽门螺杆菌疫苗的关键。
Vaccine is a effective method to prevent and cure Helicobacter pylori infection, and it is most important for construction of Helicobacter pylori vaccine to screen out the protecting antigen.
三是应用电化学免疫传感器检测几种常见寄生虫病、传染病的抗原抗体反应，了解研制的电化学免疫传感器的实用效果。
Thirdly for examining the result of the electrochemical immunosensor made, we use the sensor to detect antibody-antigen reactions of several common diseases of parasites and microbes.
三是应用电化学免疫传感器检测几种常见寄生虫病、传染病的抗原抗体反应，了解研制的电化学免疫传感器的实用效果。
Thirdly for examining the result of the electrochemical immunosensor made, we use the sensor to detect antibody-antigen reactions of several common diseases of parasites and microbes.
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