Fast Facts

  • Each year 19 million Americans become infected with an STD.1
  • Almost half of all new infections occur in young people ages 15-24.2
  • 1 out of 4 sexually active teenagers will aquire an STD.3
  • Most people don’t know they are infected.4

What are STDs?

Sexually Transmitted Diseases (STDs) are viruses, bacteria or other small organisms that can be acquired through sexual contact with a person who is infected.5

Please visit this site for more information about STDs in general.

Please visit the sites below for detailed information about:


  1. Centers for Disease Control, “Trends in Reportable Sexually Transmitted Diseases in the United States," 2005. Retrieved February 2007 from
  2. Ibid.
  3. Alan Guttmacher Institute, Sex and America’s Teenagers. New York: Alan Guttmacher Institute, 1994.
  4., “Talk About Sexually Transmitted Diseases,” n.d.
  5. This website uses the term STD in a broad sense, referring to “any of various diseases or infections” that are transmitted by sexual contact. See Merriam-Webster Online Dictionary, search entry: STD [noun]. Retrieved February 2007 from