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Table 2. Chlamydia — Reported cases and rates by state, ranked by rates: United States, 2007


Rank* State Cases Rate per
100,000 Population
1 Mississippi 21,686 745.1
2 Alaska 4,911 732.9
3 South Carolina 26,431 611.7
4 Alabama 25,153 546.9
5 New Mexico 9,460 484.0
6 Georgia 42,913 458.3
7 Louisiana 19,362 451.6
8 Tennessee 26,866 444.9
9 Hawaii 5,659 440.2
10 Illinois 55,470 432.3
11 New York 80,717 418.1
12 Ohio 47,434 413.3
13 Maryland 23,150 412.2
14 Delaware 3,479 407.6
15 Arizona 24,866 403.3
16 Missouri 23,308 398.9
17 California 141,928 389.3
18 Nevada 9,514 381.2
U.S. TOTAL† 1,108,374 370.2
19 Michigan 37,353 370.0
20 Texas 85,786 364.9
21 Colorado 17,186 361.6
22 Arkansas 9,954 354.1
23 Wisconsin 19,555 351.9
24 Oklahoma 12,529 350.0
25 North Carolina 30,611 345.6
26 Pennsylvania 42,469 341.4
27 South Dakota 2,620 335.1
28 Indiana 20,712 328.1
29 Connecticut 11,454 326.8
30 Virginia 24,579 321.6
31 Florida 57,575 318.3
32 Rhode Island 3,177 297.6
33 Kansas 8,180 295.9
34 Washington 18,784 293.7
35 Montana 2,748 290.9
36 Nebraska 5,132 290.2
37 Iowa 8,643 289.8
38 North Dakota 1,789 281.3
39 Oregon 9,849 266.1
40 Minnesota 13,413 259.6
41 Idaho 3,722 253.8
42 Massachusetts 16,145 250.8
43 New Jersey 21,536 246.8
44 Wyoming 1,197 232.4
45 Utah 5,721 224.3
46 Kentucky 8,798 209.2
47 Maine 2,541 192.3
48 West Virginia 3,168 174.2
49 Vermont 1,057 169.4
50 New Hampshire 2,055 156.3

* States were ranked in descending order by rate, number of cases, and alphabetically by state.

† Total includes cases reported by the District of Columbia with 6,029 cases and a rate of 1036.7, but excludes outlying areas (Guam with 822 cases and rate of 480.6, Puerto Rico with 7,909 cases and rate of 201.3, and Virgin Islands with 348 cases and rate of 320.4).

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