Human papillomavirus infections primarily transmitted through sexual contact.

Contaminated sex toys can transmit the virus.

The use of condoms as a prophylactic for the transmission of HPV is not always effective. Although it is admitted that the correct use of the condom throughout the sexual act is a barrier to reduce the contagion.

Laryngeal papillomatosis in 
newborns or young children may be caused by contamination in the birth canal.