3 On Your Side wanted to know just how dirty are our phones and other things we touch. So, they partnered up with Stan Kikkert, a germ expert at Mesa Community College. 

Video:

http://www.azfamily.com/news/consumer/germs-lurking-on-your-cell-phone-208201091.html

PDF: Germs lurking on your cell phone_ _ azfamily.pdf