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Sexually Transmitted Diseases (STDs) in the U.S., 1941–2004

More than 25 diseases are spread primarily through sexual activity. The latest estimates indicate that there are about 15 million new sexually transmitted disease cases in the United States each year. Approximately one-fourth of these new infections are in teenagers. Nearly two-thirds of all STD cases occur in people younger than 25 years.

YearSyphilisChlamydiaGonorrheaChancroid
1941485,560n.r.193,4683,384
1950217,558n.r.286,7464,977
1960122,538n.r.258,9331,680
197091,382n.r.600,0721,416
198068,832n.r.1,004,029788
1990135,590323,663690,0424,212
199569,357478,577392,651607
200031,618709,452363,13678
200433,401929,462330,13230
NOTE: n.r. = no report.
Source: Centers for Disease Control.

Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.

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