Mar 25, 2024 · A sexually transmitted infection (STI) is a virus, bacteria, fungus, or parasite people can get through sexual contact. A sexually transmitted disease (STD) develops because of an STI and …

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, especially vaginal …

Dec 21, 2025 · Sexually transmitted infections (STIs) are widespread and vary in severity, with some like chlamydia and gonorrhea being curable, while others such as HIV remain lifelong challenges. 1 …

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 sexually …

Sep 10, 2025 · WHO fact sheet on sexually transmitted diseases (STIs), providing information on the scope of the problem, prevention, diagnosis, treatment, and WHO's work in this area.

Feb 3, 2023 · What is a sexually transmitted infection (sexually transmitted disease)? Sexually transmitted infections (STI) are infections or conditions that you can get from any kind of sexual …

Jul 15, 2025 · Sexually transmitted infections (STIs) are infections that are passed from one person to another through sexual contact. If not treated, a STI can develop into a sexually transmitted disease …

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 are usually...

Sep 26, 2024 · Sexually transmitted diseases (STDs) are infections that are spread from person to person through sexual contact, including oral sex, anal sex and the sharing of sex toys.

STDs are infectious diseases passed from person to person through sexual contact. Millions of new cases happen every year in the U.S. Half of the new infections happen in people between the ages …