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 blood, semen, or vaginal and other bodily fluids ... 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. Why are sexually transmitted diseases (STDs) and sexually transmitted infections (STIs) of particular concern for pregnant women? Some infections—such as Zika, gonorrhea, chlamydia, HIV, and syphilis—can pass to the fetus during pregnancy or to the infant during delivery, causing short- and long-term health problems.
sexually men, Treatment for sexually transmitted infections usually consists of one of the following, depending on the infection: Antibiotics. Antibiotics, often in a single dose, can cure many STIs caused by bacteria or parasites, such as gonorrhea, syphilis, chlamydia and trichomoniasis. Once you start antibiotic treatment, you need to finish the prescription. Global HIV, viral hepatitis epidemics and sexually transmitted infections (STIs) continue to pose significant public health challenges, causing 2.5 million deaths each year, according to a new WHO report - Implementing the global health sector strategies on HIV, viral hepatitis and sexually transmitted infections, 2022–2030. Sexually transmitted diseases are infections spread mainly by contact with genitals or bodily fluids.
sexually men, Also called STDs, STIs or venereal disease, sexually transmitted infections are caused by bacteria, viruses or parasites. Sexual activity includes genital touching or sexual intercourse. Anyone who ... This handbook consolidates all existing normative guidance on STIs. It draws on the latest WHO recommendations across multiple guideline modules published between 2016 and 2025. It also provides ready-to-use tools including syndromic management flowcharts, diagnostic summaries, treatment recommendations, partner services guidance, and STIs indicators for monitoring and evaluation.
A few infections can be sexually transmitted but are also spread through nonsexual, close contact. Some of these infections, like CMV, are not considered STIs even though they can be transmitted through sexual contact.