mass hysteria
epidemic hysertia

"I was just wondering if three people are enough to make it mass hysteria."

Mass hysteria occurred in Malaysia from the 1970s to the 1980s.

The scientific explanation for this sort of phenomenon, I believe, is mass hysteria.

Mass hysteria is never that far beneath the skin, I suppose.

"All right, it is mass hysteria, but I'm beginning to think it might be something more."

Mass hysteria, maybe even runs on banks as people realize that their life savings are vulnerable.

Mass hysteria typically begins when an individual becomes ill or hysterical during a period of stress.

He'll say it's all part of continual assessment: the whole point of the course is mass hysteria.

If the public finds out about the greenhouse cliff there could be mass hysteria and panic.

The album pushed Mass Hysteria back to its root of origin that made it a success.