Figure 1. Chlamydia — Number of states that require reporting of Chlamydia trachomatis infections: United States, 1987–2003

Figure 2. Chlamydia — Rates: United States, 1984–2003

Figure 3. Chlamydia — Rates by state: United States and outlying areas, 2003

Note: The total rate of chlamydia for the United States and outlying areas (Guam, Puerto Rico and Virgin Islands) was 301.3 per 100,000 population. For further information on chlamydia reporting, see Appendix (Reporting of Chlamydia Cases).

Figure 4. Chlamydia — Rates by county: United States, 2003

Figure 5. Chlamydia — Rates by region: United States, 1984–2003