Yes, many warts are contagious. Warts can be transmitted through direct skin contact or indirectly — e.g. via shared towels or floors in swimming pools. Early treatment prevents them from spreading further. Infectious warts are: common warts (Verrucae vulgares), plantar warts (Verrucae plantares), flat warts (Verrucae planae), genital warts (Condylomata acuminata), filiform warts (Verrucae filiformes), molluscum contagiosum.