Genital HPV is spread mainly by direct skin-to-skin contact during vaginal, oral, or anal sex. It’s not spread through blood or body fluids. Infection is very common soon after a woman starts having sex with one or more partners.
Transmission by genital contact without sexual intercourse is not common, but it can occur. Oral-genital and hand-genital transmission of some genital HPV types is possible and has been reported. Transmission from mother to newborn during delivery is rare, but it can happen. When this occurs, it can cause warts in the infant’s breathing tubes (trachea and bronchi) and lungs, which is called respiratory papillomatosis.
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