n.传染病，接触传染，接触性传染病，(不良事物的快速)传播，蔓延，扩散

原形：contagion复数：contagions

The virus spread rapidly, causing a global contagion that affected millions.
这种病毒迅速传播，引发了全球性的传染，影响了数百万人。
Social distancing is crucial to prevent the contagion of the disease.
保持社交距离对于防止疾病传播至关重要。
The fear of contagion led to the closure of public places and schools.
对传染的恐惧导致公共场所和学校关闭。
The contagion can be transmitted through contact with contaminated surfaces.
通过接触被污染的表面，这种传染可以传播。
The rapid contagion of the flu strain prompted the government to take immediate action.
流感病毒的快速传播促使政府立即采取行动。
Isolation measures were implemented to curb the further contagion.
实施隔离措施以遏制进一步的传播。
The doctor advised us to wear masks to avoid air-borne contagion.
医生建议我们戴口罩以避免空气传播的感染。
The contagion rate of the new variant is significantly higher than the previous one.
新变种的传染率明显高于之前的变种。
The vaccine has shown promising results in preventing contagion.
疫苗在预防传染方面显示出有希望的效果。
The economic contagion from the pandemic caused a global recession.
大流行引发的经济传染导致了全球经济衰退。