Sentence examples similar to contagious satisfaction from inspiring English sources

So what if the satisfaction of achieving a goal is also contagious?

"Satisfaction, really".

Winning is contagious and losing is contagious.

Is the Vaccine Contagious?

"The energy is contagious".

Perhaps it's contagious.

The attitude is contagious".

It has been contagious.

Is it actually contagious?

And extremely contagious.

"It's contagious.