Transmission and Prevention

Transmission mainly through Various bodily fluids, such as vaginal secretions, semen, saliva, and blood, contain the bacteria or viruses involved. In some cases, a person can contract an STI by coming into direct contact with fluid that contains the bacteria or virus. To avoid contact with this fluid during oral, anal, or vaginal sex, use condoms or dental dams.

Using a condom correctly every time you have sex can help you avoid STDs. Condoms lessen the risk of infection for all STDs. You still can get certain STDs, like herpes or HPV, from contact with your partner's skin even when using a condom.