These people have sex with more than one partner, they are not monogamous. Ishida says anyone can get an STI regardless of age, race, social class or whether the person is heterosexual, homosexual or bisexual. The risk increases with each new partner. The risk is even greater if the any of the partners have several sex partners. The two most diagnosed STIs in the United States have traditionally been gonorrhea and syphilis.
Scientists now know that many other infections can be transmitted during sex.
More than 30 STIs have been identified. STIs Genital herpes is a virus spread through skin to skin contact and causes bumps or blisters around the genitals that heal and then reappear. Infection is transmitted through contract with the blisters themselves or the fluid contained within them. It is characterized by itching, burning, soreness and small blisters in the genital area. When blisters break, small painful sores heal within 10 to 21 days.