All are true about anogenital was except:

Genital was are sexually transmitted infection caused by ceain types of HPV. HPV types 6 and 11 are the typical cause of genital was. HPV is most commonly transmitted through penetrative sex. While HPV can also be transmitted non-penetrative sexual activity, but it is less transmissible. Anal or genital was may be transmitted during bih in children. Characteristically rise above the skin surface due to enlargement of the dermal papillae, have parakeratosis and the characteristic nuclear changes, typical of HPV infections (nuclear enlargement with perinuclear clearing). Gardasil is a vaccine that protects against human papilloma virus types 6, 11, 16 and 18. Types 6 and 11 cause genital was, while 16 and 18 cause cervical cancer Simple excision, such as with scissors under local anesthesia, is highly effective.