If you're on the fence about vaccinating...
Not interested in a debate but here's more info:
http://www.upi.com/Health_News/2010/04/02/Mumps-related-test icle-problems-rampant/UPI-52171270186981/
http://www.upi.com/Health_News/2010/04/02/Mumps-related-test icle-problems-rampant/UPI-52171270186981/