This is not Dell's fully responsibility for prevent virus. It is more responsibility of Microsoft. In fact, Microosft is working hard to prevent virus. For example, All Windows 8 come with Microsoft anti virus. As another said, more hacker are toward for Windows because it has higher population...
Yep, I went to deaf school for my whole life. Actually, I am day student but I was involving many after school activites such as soccer, robotic, and track.
Did you go to deaf school or mainstream school in your life?