Wart is a viral infection of the skin. We medically call it as verruca vulgaris. So what exactly causes the wart infection on the hands and feet? Basically when we touch certain things on bare hands, or walking bare foot. So these virus particles are there in the environment and we get affected by it. When the virus starts multiplying into the skin of the hands and the feet, we tend to see the eruptions which are called as warts. Another way for getting the infection is through contact of a pers