Q:

How many STDs are there in the world?

A:

Quick Answer

According to the World Health Organization, as of November 2013, there are over 30 distinct bacteria, parasites and viruses that are mainly transmitted by means of anal, oral and vaginal sex. Over 1 million new cases of sexually transmitted infections (STIs) occur each day.

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Full Answer

According to the WHO, around 500 million people acquire chlamydia, gonorrhoea, syphilis and trichomoniasis infections every year. Around 530 million people are infected with HSV2, the virus that leads to genital herpes. Another common STI is the human papillomavirus (HPV), present in more than 290 million women worldwide. Some STIs, such as gonorrhoea, are becoming more resistant to treatment. STIs are not exclusively transmitted sexually. They can also be transmitted through blood transfusions, tissue transfer and during childbirth and pregnancy.

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Related Questions

  • Q:

    What are STDs?

    A:

    An STD is a sexually transmitted disease such as HIV, chlamydia, genital herpes, genital warts, gonorrhea, hepatitis, syphilis and trichomoniasis. It is spread through sexual contact. WebMD cautions that an STD can be very severe, sometimes resulting in lifelong treatment; HIV in particular has no cure. STDs are usually caused by bacteria and viruses in blood, semen and vaginal secretions, but genital herpes and warts can spread through skin-to-skin contact.

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  • Q:

    Where can you get tested for STDs?

    A:

    Many doctor's offices, most health departments and some clinics offer testing for sexually transmitted diseases, or STDs. It is important for a person who suspects he has an STD to get tested as soon as possible. The CDC estimates that 19 million new cases of STDs are diagnosed annually.

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  • Q:

    How do you test for STDs?

    A:

    Physical exams; blood samples; urine samples; or samples of saliva, cells, tissue or discharge are all types of tests for STDs. The method of testing for a particular STD depends on the symptoms the patient experiences and the type of infection suspected, according to Planned Parenthood.

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  • Q:

    What are all the known STDs?

    A:

    Chancroid, chlamydia, genital warts, gonorrhea and hepatitis B are examples of sexually transmitted diseases, according to Planned Parenthood. These diseases spread when a person passes an infection to someone else during a form of sexual contact. Herpes, HIV, AIDS, human papillomavirus, and molluscum contagiosum are other STDs. Many people with these infections do not have any symptoms or signs of disease. More examples of STDs include pelvic inflammatory disease, pubic lice, scabies, syphilis and trichomoniasis.

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