病原体必须逃过宿主免疫系统的重重防御,直至能够在宿主细胞内复制及扩散到其它细胞中,才算侵染成功。
To be successful, a pathogen must escape the many defenses of the host immune system until it can replicate and spread to another host.
我的买家想病毒,在纽约交接。有什么比两个健康宿主更适合扩散传染病呢?
You see, my buyer wants the virus delivered right here in New York city. And who better to start a pandemic than two healthy human hosts?
结论蜚蠊是病原体扩散的中间宿主,口岸应采用先进检测技术监测蜚蠊中病原体。
Therefore, advanced techniques should be used at ports to detect pathogens carried by them.
These released particles can now go on and infect neighboring cells, they can travel in the bloodstream to infect cells at a distance and the virus spreads throughout a multicellular host.
这些释放出的病毒颗粒,可以继续感染邻近的细胞,它们可以随着血流去感染远距离的细胞,于是病毒可以在多细胞宿主体内全面扩散
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