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  1. 11 Common Sexually Transmitted Infections (STIs)

    Apr 16, 2025 · Worldwide, there are over 20 sexually transmitted infections (STIs) caused by bacteria, viruses, and parasites. Several like gonorrhea, chlamydia, genital herpes, HPV, and …

  2. About Sexually Transmitted Infections (STIs) | STI | CDC

    Mar 25, 2024 · A sexually transmitted disease (STD) develops because of an STI and the term implies that the infection has led to some symptom of disease. People sometimes use the …

  3. Sexually transmitted diseases (STDs) - Symptoms and causes

    Sexually transmitted diseases (STDs) are caused by sexually transmitted infections (STIs). They are spread mainly by sexual contact. STIs are caused by bacteria, viruses or parasites. A …

  4. Sexually transmitted infection - Wikipedia

    A sexually transmitted infection (STI), also referred to as a sexually transmitted disease (STD) and the older term venereal disease (VD), is an infection that is spread by sexual activity, …

  5. STD Pictures: Herpes, Genital Warts, Gonorrhea, STD Symptoms, …

    Feb 15, 2025 · Anyone who is sexually active is at risk for an STD, regardless of gender, race, social class, or sexual orientation. That said, teenagers and young adults acquire STDs more …

  6. Sexually Transmitted Diseases: Types, Symptoms, Treatment

    Sep 18, 2025 · Some sexually transmitted infections (STIs) can lead to pelvic inflammatory disease (PID), anal or genital warts, and certain cancers. All STDs are caused by an STI. STIs …

  7. List of all STDs and their Symptoms - STDs Information

    Mar 28, 2017 · List of all STDs and their Symptoms. Most common STD list Chlamydia, Gonorrhea, Hepatitis, HIV, Human Papillomavirus, Syphilis, Trichomoniasis

  8. What Are STDs? | Sexually Transmitted Diseases Information

    STDs are infections that are spread from one person to another, usually during vaginal, anal, and oral sex. They’re really common, and lots of people who have them don’t have any symptoms. …

  9. Sexually transmitted disease (STD) symptoms - Mayo Clinic

    Mar 12, 2024 · Learn about common and possible STD symptoms and how serious they might be. Sexually transmitted diseases are infections spread mainly by contact with genitals or bodily …

  10. Sexually transmitted infections (STIs)

    Sep 10, 2025 · STIs have a direct impact on sexual and reproductive health through stigmatization, infertility, cancers and pregnancy complications and can increase the risk of …