When trouble makers such as mutated cells, non-resident bacteria, and infectious agents circulate through your blood and body, they will produce little particles of themselves. 当麻烦制造者如突变细胞，非寄居菌和传染原循环在你的血液和身体中，它们会产生少量自身颗粒。
The way the body recognises an infection is by examining molecules from the infectious agent. 身体以通过对传染因子的分子检查来的方式来识别感染。
The bacterium Neisseria gonorrhoeae,which is the causative agent of gonorrhea. 淋球菌淋病双球菌，是引起淋病的病原体。
What is the nature of this agent that is often referred to as an unconventional viruslike agent? 这种经常被看作异乎寻常的类病毒病原体的本性究竟是什么？
