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.
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. Sexual activity includes genital touching or sexual intercourse. Anyone who ...
STDs, also known as sexually transmitted infections (STIs), are typically caused by bacteria or viruses and are passed from person to person during sexual contact with the penis, vagina, anus, or mouth. The symptoms of STDs/STIs vary between individuals, depending on the cause, and many people may not experience symptoms at all.
Diagnosis of an STD starts with your sexual history and current symptoms. If these suggest that you have an STD, your health care professional may do a physical or pelvic exam to look for signs of infection. Some signs of infection are a rash, warts or discharge. Testing for an STD or sexually ...
Widespread and lifelong risks Women subjected to violence face unintended pregnancies, a higher risk of acquiring sexually transmitted infections and experiencing depression. Sexual and reproductive health services are an important entry point for survivors to receive the high-quality care they need.
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.