infectiousness meaning in English

传染力
传染性

These pieces of dna were found to contain genetic information that might play a role in the survival and infectiousness of this pathogen
这些dna片段包含的遗传信息可能与该病原体的存活和感染性有关。
The most disquieting thing about the scofflaw spirit is its extreme infectiousness . only a terminally foolish society would sit still and allow it to spread indefinitely
最使人不得安宁的是，藐视法规这种思想行为具有高度传染性。只有一个愚蠢到极点的社会才会坐视不理和纵容这种思想不断蔓延。