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Tuberculosis (TB)





Reported Tuberculosis in the United States, 2018						Print
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Table 58. Counts and Percentages of Tuberculosis Cases Estimated to be Attributed to Recent Transmission and Extensive Recent Transmission: Counties with >5% Estimated Extensive Recent Transmission, 2017–2018
Table 58. Counts and Percentages of Tuberculosis Cases Estimated to be Attributed to Recent Transmission and Extensive Recent Transmission: Counties with >5 Percent Estimated Extensive Recent Transmission, 2017–2018
Counties and County Equivalents1
Total Genotyped Cases2
Percentage of Genotyped Cases that are U.S.-born
Number of Unique GENTypes3
Cases Attributed to Recent Transmission4
Cases Attributed to Extensive Recent Transmission5
Percentage of Cases Attributed to Extensive Recent Transmission6Alameda, CA
217
8.8
204
21
11
5.1Baltimore (City), MD
31
48.4
24
9
7
22.6Baltimore (County), MD
38
18.4
35
3
2
5.3Charleston, SC
17
88.2
11
7
3
17.6Collin, TX
32
21.9
30
2
2
6.3Cook, IL
285
29.5
245
46
16
5.6Cumberland, ME
10
20.0
6
5
1
10.0Dallas, TX
241
44.4
194
46
30
12.4District Of Columbia
49
26.5
44
8
4
8.2Duval, FL
68
69.1
45
26
13
19.1Escambia, FL
14
78.6
8
7
7
50.0Etowah, AL
15
80.0
5
11
10
66.7Fulton, GA
52
69.2
39
19
7
13.5Guilford, NC
26
38.5
23
6
2
7.7Hall, GA
10
90.0
7
4
4
40.0Harris, TX
397
31.0
305
93
54
13.6Hidalgo, TX
89
38.2
72
23
7
7.9Hinds, MS
19
94.7
10
13
5
26.3Howard, MD
17
11.8
16
1
1
5.9Hudson, NJ
81
7.4
76
11
5
6.2Imperial, CA
62
30.6
43
21
11
17.7Jefferson, AL
29
69.0
21
10
7
24.1Kings, NY
246
14.2
218
45
23
9.3Los Angeles, CA
888
14.3
707
165
71
8.0Marion, OR
19
47.4
10
9
3
15.8Marshall, AL
13
84.6
5
6
2
15.4Morris, NJ
18
11.1
18
1
1
5.6Muscogee, GA
11
63.6
8
4
3
27.3New York, NY
117
19.7
108
21
9
7.7Northern (Region), AK
10
80.0
5
7
5
50.0Nueces, TX
20
60.0
16
5
5
25.0Orange, FL
101
31.7
87
16
7
6.9Ouachita, LA
13
92.3
6
9
4
30.8Pinellas, FL
45
68.9
30
15
5
11.1Queens, NY
344
7.0
315
47
20
5.8Ramsey, MN
58
15.5
47
13
9
15.5Robeson, NC
29
100.0
10
19
15
51.7San Diego, CA
368
26.1
307
63
30
8.2San Joaquin, CA
67
40.3
51
17
15
22.4Shelby, TN
57
66.7
39
21
13
22.8Southwest (Region), AK
44
97.7
10
32
22
50.0St. Louis (City), MO
18
38.9
15
4
1
5.6St. Louis (County), MO
15
26.7
15
2
1
6.7Walker, TX
38
92.1
20
24
12
31.6Washington, AR
11
27.3
5
4
3
27.3Yakima, WA
12
41.7
11
2
1
8.3York, SC
10
100.0
6
6
1
10.01Counties and county equivalents that had >5% of cases attributed to extensive recent transmission are included.2Total number of *Mycobacterium 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 reporting area among all genotyped cases that are eligible to be evaluated for recent transmission.4Number of cases attributed to 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 ≥6 cases (≥5 secondary and 1 source case).6Proportion of cases attributed to extensive recent transmission calculated for counties with ≥10 genotyped cases.Table Printing Tips
							
					
							Last Reviewed:  September 6, 2019						Source: 	Division of Tuberculosis Elimination, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention
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