What could be the symbolism in finding a dead mouse under your chair?

My room mate just text-ed me from work about having a coworker point out that there was a dead mouse underneath her chair. She asked the maintenance crew and they said they hadn't put out any rat poison that could have killed it. Her coworkers went on to name it Mike the mouse before burying it. Mike is... show more My room mate just text-ed me from work about having a coworker point out that there was a dead mouse underneath her chair. She asked the maintenance crew and they said they hadn't put out any rat poison that could have killed it.

Her coworkers went on to name it Mike the mouse before burying it. Mike is actually her brothers name and she got a weird feeling about the whole situation.

If any knows of any modern or ancient beliefs or symbolism concerning dead mice please post.
7 answers 7