You can have intercourse during the HPV vaccination because sex itself will not affect the effectiveness of the vaccination. However, there are certain precautions to be taken when having sex during vaccination, as HPV infection is an important cause of cervical cancer. The main way of transmission of HPV infection is through sexual intercourse, so you can wash the genitals of both parties before having intercourse to avoid the presence of certain virus residue, and you must also take good protective measures. Wear condoms before intercourse to hinder HPV as much as possible in order to actively prevent pregnancy. It also protects the immunity in the body to avoid lowering the immunity because of excessive sex and overwork, so this is the time to pay attention to all.