How common is chlamydia?
Most people with chlamydia don't know they have it. That's why we can't say exactly how many people are affected.
We do know that chlamydia is the most common infection to be passed on during sex in the United States.1 Each year, about three million Americans get chlamydia.2 We also know that chlamydia is getting more common, and the numbers having been rising steadily since the mid-1990s.3 4
Sources for the information on this page:
- Holmes KK, Sparling PF, Mardh PA, et al. Sexually transmitted diseases. McGraw-Hill, New York, U.S.A.; 1999.
- National Institute of Allergy and Infectious Diseases. Health matters: Chlamydia. July 2004. Available at http://www3.niaid.nih.gov/healthscience/healthtopics/chlamydia/index.htm (accessed on 29 October 2007).
- Health Protection Agency. Chlamydia (Chlamydia trachomatis). Available at http://www.hpa.org.uk/infections (accessed on 29 October 2007).
- Centers for Disease Control and Prevention. Diseases characterized by urethritis and cervicitis. Sexually transmitted diseases treatment guidelines 2006. Available at http://www.cdc.gov (accessed on 29 October 2007).
This information was last updated in Nov 09, 2007
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This information is for educational use only, and is not a substitute for prompt professional medical advice. Readers should always consult a physician or other professional for advice and treatment. ©BMJ Publishing Group Limited 2008. All rights reserved. |
