HPV is transmitted through saliva.

HPV transmission through saliva is very low, but it is also a kind of transmission route. HPV transmission methods are the following: first, sexual contact transmission, when either man or woman has HPV infection, through sexual organ contact may cause HPV infection. Second, daily contact transmission, but there are HPV infected clothing, such as underwear, towels, toothbrushes and other daily necessities, in contact with normal people may also cause local transmission. Third, mother-to-child vertical transmission, pregnant women with HPV infection, if through the reproductive tract delivery will increase the risk of infection of newborns. Therefore, a clear diagnosis of HPV infection in pregnant women, in the choice of delivery mode can be an indication of cesarean section. Fourth, self-infection vaccination transmission, infected with HPV, some people may be manifested as condyloma acuminatum, local itching symptoms, scratching the infected site, and then scratching other normal parts, may cause their own planting transmission.