[chāng jué]

infested with various diseases
疾病猖獗

Crime was rampant.
犯罪行为猖獗。

Malaria is still rampant in some swampy regions.
疟疾在一些沼泽地区仍很猖獗。

The area used to be struck by raging sandstorms.
这个地区过去风沙猖獗。