2024年3月25日 · 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. People sometimes use the terms in one another’s place.

2025年1月5日 · The most common sexually transmitted infections (STIs) in the United States are chlamydia, trichomoniasis, human papillomavirus (HPV), genital herpes, mycoplasma genitalum (MG), syphilis, HIV, and hepatitis B. Rare ones include lymphogranuloma venereum (LGV) and …

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 …

Basic information about STIs in plain language, in question and answer form. How to prevent sexually transmitted infections (STIs). STI testing type and frequency recommendations. This page answers basic questions about gonorrhea, including how to prevent and treat it.

2025年2月27日 · The most common and curable STIs are trichomonas, chlamydia, gonorrhoea and syphilis. Viral STIs including HIV, genital herpes simplex virus (HSV), viral hepatitis B and C, human papillomavirus (HPV) and human T-lymphotropic virus type 1 (HTLV-1) lack or have limited treatment options.

2025年3月20日 · Human immunodeficiency virus. It is the most dangerous disease in this category. The virus attacks the cells of the immune system. Acquired immune deficiency syndrome gradually develops. Causes of STIs The main cause of sexually transmitted infections is the entry of pathogenic bacteria, viruses, or parasites into the body.

2021年7月29日 · Viral STIs/STDs are caused by viruses passed from person-to-person and depending on the STI/STD, can be transmitted during sexual activity; during non-sexual …

2022年3月30日 · STIs are spread primarily through person-to-person sexual contact. There are over 30 different sexually transmissible bacteria, viruses and parasites. Several STIs, particularly HIV and syphilis, can be transmitted through blood products and tissue transfer, and from mother to child during pregnancy and childbirth.

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. [1][5][6] STIs often do not initially cause symptoms, [1] which results in a ...