流行性的英文：
epidemicity

epidemic vegetative neuritis
流行性植物神经炎

A cholera epidemic breaks out after the flood.
一场流行性霍乱在洪水过后就突发了。

Active Oxygen Method (AOM) This test is widely used.
流行性氧化(AOM)这个试验被广泛应用。

Is there anyone who should not have the inactivated pandemic vaccine?
是否有任何人不应当接种大流行性流感灭活疫苗？

The corruption had become epidemic.
这种腐化已成为社会上的一种歪风。

Violence is reaching epidemic levels.
暴力达到了流行的程度。

A great epidemic burst forth.
突然发生了一场大瘟疫。

There's an epidemic of serial killings.
连环杀人现象猖獗。

The news of the epidemic struck terror into the population.
流行病蔓延的消息使居民感到恐慌。