Host?microbe interactions are as diverse as the organisms involved: they can be accidental or obligatory; they can result in temporary or persistent intimate associations; and they can involve subtle or intense molecular and cellular responses.

• 宿主-微生物交互作用依其所涉及到的生物种类而各有不同：可以是偶然的，也可以是终身的；可以是临时的也可以是持续的亲密合作；可以引起轻微或者强烈的分子和细胞反应。