Reported Tuberculosis in the United States, 2016

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Table 66. Counts and Percentages of Tuberculosis Cases Estimated to be Attributed to Overall and Extensive Recent Transmission: Counties with >5 Percent Estimated Extensive Recent Transmission, 2015-2016

Table 66 
Counties and county equivalents1 Total genotyped cases2 Percentage of genotyped cases that are U.S.-born Number of unique GENTypes3 Cases attributed to overall recent transmission4 Cases attributed to extensive recent transmission5 Percentage of cases attributed to extensive recent transmission6
Anchorage/Mat-Su (Region), AK 31 (54.8) 23 11 8 (25.8)
Baltimore (City), MD 30 (60.0) 26 6 5 (16.7)
Bergen, NJ 58 (15.5) 56 4 3 (5.2)
Bexar, TX 112 (53.6) 88 26 6 (5.4)
Brazoria, TX 15 (53.3) 14 3 1 (6.7)
Cuyahoga, OH 28 (60.7) 22 7 7 (25.0)
Dallas, TX 273 (47.6) 200 81 67 (24.5)
District of Columbia 46 (34.8) 42 9 3 (6.5)
Duval, FL 84 (70.2) 49 37 30 (35.7)
Escambia, FL 17 (70.6) 11 7 6 (35.3)
Etowah, AL 14 (100.0) 7 8 2 (14.3)
Fort Bend, TX 40 (37.5) 38 4 3 (7.5)
Fulton, GA 72 (75.0) 47 29 24 (33.3)
Gregg, TX 13 (84.6) 6 7 5 (38.5)
Guilford, NC 31 (19.4) 24 8 3 (9.7)
Hall, GA 10 (60.0) 5 7 5 (50.0)
Hampden, MA 13 (38.5) 12 2 2 (15.4)
Harris, TX 417 (36.0) 306 104 54 (12.9)
Hidalgo, TX 120 (36.7) 91 35 11 (9.2)
Hinds, MS 23 (78.3) 18 6 4 (17.4)
Honolulu, HI 138 (15.9) 112 27 9 (6.5)
Imperial, CA 56 (41.1) 39 17 7 (12.5)
Jefferson, AL 26 (76.9) 21 9 3 (11.5)
Kings, NY 240 (18.3) 209 56 23 (9.6)
Los Angeles, CA 986 (16.7) 775 175 79 (8.0)
Marin, CA 10 (10.0) 5 6 3 (30.0)
Marion, IN 63 (28.6) 59 7 4 (6.3)
Muscogee, GA 16 (87.5) 9 8 7 (43.8)
New York, NY 119 (24.4) 109 28 8 (6.7)
Nueces, TX 18 (72.2) 15 5 2 (11.1)
Perry, AL 12 (100.0) 4 9 9 (75.0)
Queens, NY 329 (6.1) 299 52 25 (7.6)
Richmond, GA 10 (90.0) 9 2 2 (20.0)
Robeson, NC 33 (87.9) 11 18 13 (39.4)
San Diego, CA 386 (22.5) 314 66 25 (6.5)
San Joaquin, CA 72 (30.6) 57 19 16 (22.2)
Shelby, TN 48 (72.9) 27 24 18 (37.5)
Snohomish, WA 47 (17.0) 45 3 3 (6.4)
Southwest (Region), AK7 49 (100.0) 17 27 15 (30.6)
St. Lucie, FL 16 (37.5) 13 5 1 (6.3)
Travis, TX 85 (23.5) 73 13 9 (10.6)
Walker, TX 51 (92.2) 23 28 21 (41.2)
Washington, AR 26 (50.0) 17 11 9 (34.6)
Wayne, MI 42 (47.6) 38 5 4 (9.5)
Webb, TX 61 (49.2) 43 22 9 (14.8)
Williamson, TX 18 (38.9) 18 1 1 (5.6)
Yakima, WA 16 (43.8) 12 3 1 (6.3)
York, SC 12 (83.3) 7 6 3 (25.0)

1Counties (and county equivalents) that had >5% of cases attributed to extensive recent transmission are included in table 66.
2Total number of M. tuberculosis genotyped cases that are eligible to be evaluated for recent transmission (i.e., complete data for the plausible-source case method’s algorithm).

3Total number of unique GENTypes identified in the county among all genotyped cases that are eligible to be evaluated for recent transmission.

4Number of cases attributed to overall recent transmission includes any given case with a plausible source case regardless of cluster size.

5Number of cases attributed to extensive recent transmission includes only cases in a plausible chain of transmission of six or more cases (five secondary and one source case).

6Proportion of cases attributed to extensive recent transmission calculated for counties with 10 or more genotyped cases.

7Recent transmission estimates for Alaska are aggregated to region level (http://live.laborstats.alaska.gov/pop/estimates/pub/popover.pdfCdc-pdfExternal).

 

 

Page last reviewed: November 13, 2017