HOW TO RUN A USB SAFELY WITHOUT ANITIVIRUS

THE BEST WAY IS TO RUN A USB WITH ANY ANTIVIRUS AVAILABLE.

BUT
if it is not available use this method for safe driving.
 when the usb appears in your my computer.
never never never open it with double click

always explore it.
(right click-->explore)
(for WINDOWS 7 explore it from side bar)

you will remain virus free.