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 the term implies that the infection has led to some symptom of disease.

2025年1月5日 · There are curable sexually transmitted infections (STIs) such as chlamydia and gonorrhea and those that aren't, like HIV. Learn which are more common.

2024年3月12日 · 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 fluids. Also called STDs, STIs or venereal disease, sexually transmitted infections are caused by bacteria, viruses or parasites.

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 transmitted infection may pass from person to person in …

2024年5月21日 · WHO fact sheet on sexually transmitted diseases (STIs), providing key facts, as a public health issue, infections and transmissions, STIs and women's health, adverse outcomes of pregnancy, HIV, STI syndromes, prevention, vaccination, mother-to …

Program management, evaluation, and outbreak response resources and tools for STI programs. Explore resources, trainings, courses, webinars, and guidance about STIs for health professionals. Sexually transmitted infections (STIs) are very common.

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 intercourse, anal sex, oral sex, or sometimes manual sex.

2024年4月9日 · Steps to reduce your STI exposure: Abstaining from vaginal, anal, or oral sex. This is the only way to completely avoid STIs. Getting vaccinated. Vaccines are recommended for some people to prevent hepatitis B and HPV. Reducing your number of sex partners. Regular testing. You and your partner should get tested and share your results.

2025年3月23日 · A sexually transmitted infection (STI) is passed from one person to another through sexual contact. An STI can have a viral cause, like human papillomavirus (HPV), or a bacterial cause, such as chlamydia, the most common of this type. Parasites also can cause an STI. The organisms can be transmitted through blood, semen, saliva, or vaginal fluid.

Sexually transmitted infection (STI) refers to an infection that is passed through blood, semen, vaginal fluids, or other body fluids during oral, anal, or genital sex with an infected partner. Sexually transmitted disease (STD) refers to a disease that has developed from an STI.