genetic vaccine

But experts say it will be very difficult to isolate this part of the protein from the virus to use in a vaccine, or to manufacture it using genetic engineering.

不过，专家们说，很难从病毒中分离出这部分蛋白质用于疫苗，或利用基因工程生产出这种蛋白质。

The genetic structure of 45W, the structural features of 45W gene-encoded protein, and the traits of immune responses to 45W vaccine are completely and systematically reviewed in this paper.

本文就45W基因的结构、45W编码蛋白的结构特征、45W抗原疫苗免疫应答特点以及今后的研究方向作了全面、系统的综述。

Novavax's bird flu vaccine uses particles that mimic the size and shape of the virus, which trigger an immune response but lack the genetic material to replicate.

诺华发明的禽流感疫苗利用了模拟病毒大小和形状的颗粒，这足以激发免疫应答但并不含有病毒复制需要的遗传物质。