Figure 9. Chlamydia—Median state-specific positivity among 15- to 24-year-old women tested in family planning clinics: United States, 1997–2008
NOTE: As of 1997, all 10 DHHS regions, representing all 50 states, the District of Columbia, and outlying areas, reported chlamydia positivity data. See Appendix for definitions of DHHS regions.
DATA SOURCE: Prevalence Monitoring Project (Regional Infertility Prevention Projects), Office of Population Affairs, Local and State STD Control Programs, Centers for Disease Control and Prevention.