Common warts may have black dots that resemble seeds ... Butcher’s warts commonly occur in people who regularly handle raw ...

These warts are also caused by HPV. They appear as a circle of hard skin with small black dots in the middle ... are often picked up at swimming pools when people step on the swimming pool ...

Viral warts are caused by the human papillomavirus (HPV). Before you freak out ... sometimes featuring tiny black dots. Beware—those black dots are NOT dirt; they’re actually your blood ...