The new H and N surface proteins mean most people do not have antibodies to the virus, allowing it to go pandemic.

新H 和N表面蛋白这意味着多数人对这病毒没有抗体，使其得以流行。

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Using recombinant nucleocapsid protein GST-N of porcine reproductive and respiratory syndrome virus (PRRSV) as antigen, an indirect ELISA for the detection of antibodies against PRRSV was developed.

用亲和层析纯化的猪繁殖与呼吸综合征病毒(PRRSV)重组核衣壳蛋白gst - N作为诊断抗原，建立检测prrs血清抗体的间接ELISA方法。

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The rabies virus glycoprotein (GP) can assume at least three different conformational states: the natural state (n), the activated (a) hydrophobic state and the fusion-inactive (I) state.

狂犬病病毒糖蛋白至少有三种不同构型：自然形式(N)、激活的水溶性状态(A)和融合灭活构型(I)。

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The move means the U.N. agency has determined that the virus is capable of significant human-to-human transmission -- a major step toward a pandemic, but not necessarily inevitable, Dr. Keiji Fukuda said.

CNN: World battles swine flu as death toll rises