Figure 1. Chlamydia — Rates of Reported Cases by Sex, United States, 2000–2015
This web page is archived for historical purposes and is no longer being updated. Newer data is available on the STD Data and Statistics page.
NOTE: Data collection for chlamydia began in 1984 and chlamydia was made nationally notifiable in 1995; however, chlamydia was not reportable in all 50 states and the District of Columbia until 2000. Refer to the National Notifiable Disease Surveillance System (NNDSS) website for more information: https://wwwn.cdc.gov/nndss/conditions/chlamydia-trachomatis-infection/.
- Page last reviewed: October 17, 2016 (archived document)
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