A sexually transmitted infection (STI) is an infection that can be passed from person to person when having sex. You can get an STI by having vaginal sex, anal sex, or oral sex. There are several different types of STI. Like

Anogenital Warts, Genital Chlamydia, Genital Herpes, Gonorrhoea, HIV and AIDS, Hepatitis B, Hepatitis C, Pubic Lice, Syphilis and Trichomonas Infection.