Mountain View

The Facts


  • More than half of all people will have an STD/STI at some point in their lifetime. (2)
  • The total estimated direct annual cost of STDs/STIs in the U.S. is $15.6 billion [2010 US dollars]. (2)
  • A national survey of US physicians showed fewer than one-third routinely screened patients for STDs/STIs. (2)
  • One in two sexually active persons will contract an STD/STI by age 25. (2)
  • Of the STDs/STIs that are diagnosed, only some (gonorrhea, syphilis, chlamydia, hepatitis A and B) are required to be reported to state health departments and the CDC. (2)
  • It is estimated that as many as one in five Americans have genital herpes, yet up to 90% of those with herpes are unaware they have it. (2)
  • Since 1980, European rates of chlamydia, gonorrhea, and syphilis have remained stagnant, while STD/STI rates in the US have continued to climb at an alarming rate. (1)
  • Sub-Saharan Africa has the most serious HIV and AIDS epidemic in the world – in 2013, an estimated 24.7 million people were living with HIV, accounting for 71% of the global total. (3)
  • South Africa has the largest epidemic of any country - 5.9 million people are living with HIV.(3)
  • Bacterial STDs/STIs, such as gonorrhea, syphilis, and chlamydia are cured with antibiotics. (5)
  • Viral STD/STIs, such as the four Hs (HIV, HPV[which causes genital warts], herpes, and hepatitis B) have no cure, but their symptoms can be reduced with treatment. (5)
  • Hepatitis B is the only STD that can be prevented with a vaccine. (5)
  • Most people with STDs/STIs have no symptoms at all. (5)
  • The younger people are when they have sex for the first time, the more susceptible they become to developing an STD/STI. (6)
  • An estimated four in 10 sexually active adolescent females between the ages of 14 and 19 have an STD/STI. (7)
  •  In the US, 1 of 4 new STD/STI cases occurs in teenagers. (8)
  • You can get STDs/STIs by having sex (vaginal, oral or anal), or by skin-to-skin touching. You cannot get them from toilet seats -- that is a myth! (9)
  • You can get an STD/STI while getting a tattoo or piercing, if the instruments used for piercing or tattooing are not sterilized or disinfected between uses. (9)
  • Sperm can live inside your uterus for up to 5 days. (9)
  •  Each year there are approx. 333 million new cases of STDs/STIs worldwide. (10)
  • Chlamydia is found only in human cells, but it shares a common ancestor with plants and has unusual plant-like traits. (10)
  • Syphilis is named after a mythological Greek shepherd named Syphilus who was cursed with a horrible disease as a punishment for insulting the god Apollo. Also, doctors in the late 1400s and early 1500s were so afraid of syphilis they would not write down its name. Instead they used the Greek letter Sigma as its symbol. (10)
  • Some STDs/STIs can be transmitted to the fetus during pregnancy and others may be transmitted during the birth process if a woman has a STD at that time. (11)
  • Some STDs/STIs, like Chlamydia, can impair a woman’s ability to become pregnant (11)
  • There are tests available for all STDs/STIs, with the exception of HPV in men. There are different tests available for different STDs/STIs .(11)
  • In 2006, the CDC estimates that 49% of U.S. pregnancies were unintended. (12)
  • Condom usage tends to decline as people grow older (13)
  • Teens are more likely to report condom use than any other age group (14)
  • Adults over 40 tend to use condoms least. (14)



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