Oh and good stuff! The cdc has a list of rodent specific diseases.
http://www.cdc.gov/rodents/diseases/direct.html
"Diseases Directly Transmitted by Rodents," Centers for Disease Control and Prevention. 1600 Clifton Rd. Atlanta, GA 30333, USA, Stable link:
http://www.cdc.gov/rodents/diseases/direct.html, Last updated, June 7, 2011, viewed on 7/17/2012
I reckon everyone should read that.