The cervical cancer vaccine, protects against HPV, the human papillomavirus. HPV can cause benign human tumors and warts, such as human common warts, condyloma acuminata, which grow on the skin and mucous membranes near the genital organs, and papillomas, which grow on the mucous membranes. HPV can also cause malignant tumors, such as cervical, anal, vaginal, and penile cancers. HPV is transmitted mainly through sexual contact, so every sexually active woman is at risk of contracting cancer-causing HPV. In addition, HPV infection can be contracted through direct contact in addition to sexual intercourse: for example, after touching objects with HPV in the hands, there is a risk of bringing the virus to the genital organs when using the toilet or bathing; or when the genital organs come into contact with objects such as bath towels with HPV. HPV infection is more common in women, and some data show that at some point in their lives, 4 out of every 5 women It is estimated that 4 out of 5 women will be infected at some point in their lives. If you are infected with a high-risk type of HPV, you may progress to a high level of cervical lesions or even develop cervical cancer. Risk factors for HPV infection 1. having multiple sexual partners; 2. having early sex (before age 16); 3. smoking; 4. having other sexually transmitted infections; 5. having a deficient immune system due to clinical treatment, AIDS and other causes that make the body less resistant. Besides vaccination, what else can be done to prevent transmission of the virus? 1, men use condoms; 2, reduce the number of sexual partners; 3, it is best for men to be circumcised.