contagion
noun [ U ] formal uk/kənˈteɪ.dʒən/ us/kənˈteɪ.dʒən/
接触传染
the situation in which a disease is spread by touching someone or something
The doctor says there's no chance/danger of contagion. 医生说不存在传染的可能／危险。
（情绪、思想、风俗等的）感染，蔓延，传播，扩散
the situation in which feelings, ideas, or problems spread from one place to another
Brazil's stock markets were battered by contagion from the problems in other emerging markets. 巴西股票市场因为世界上其他新兴市场问题的蔓延而受到了重创。