contagion
n. 传染病；蔓延；触染
例句
There is no risk of contagion.
没有接触传染的风险。
《牛津词典》
They have been reluctant to admit AIDS patients, in part because of unfounded fears of contagion.
他们一直不愿意接收艾滋病人，部分原因是因为毫无根据对传染的恐惧。
《柯林斯英汉双解大词典》
A second risk is contagion.
第二个危险是危机蔓延。
