This will certainly not work for all worms or virusses not all worms spread themselves via email or even want to look at your addressbook.
If you want to avoid problems don't trust this methode get yourself a decent virusscanner. They don't come really really cheap but they can avoid and fix so much problems you so don't want to run into.......
If you want to avoid problems don't trust this methode get yourself a decent virusscanner. They don't come really really cheap but they can avoid and fix so much problems you so don't want to run into.......