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Tuberculosis (TB)





Reported Tuberculosis in the United States, 2019						Print
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Table 59. Characteristics of Tuberculosis Cases Estimated to be Attributed to Recent Transmission and Extensive Recent Transmission: United States, 2018-2019
See Surveillance Slides #59,  #60 and #61
Table 59. Characteristics of Tuberculosis Cases Estimated to be Attributed to Recent Transmission and Extensive Recent Transmission: United States, 2017-2018
Case Characteristics
Total Genotyped Cases1
Cases Not Attributed to Recent Transmission
Cases Attributed to Recent Transmission2
Cases Attributed to Extensive Recent Transmission3No.
(%)
No.
(%)
No.
(%)**Total**
**13,577**
**11,874**
**(87.5)**
**1,703**
**(12.5)**
**557**
**(4.1)**Origin of BirthU.S-born
3,824
2,872
(75.1)
952
(24.9)
347
(9.1)Non-U.S.–born
9,742
8,994
(92.3)
748
(7.7)
210
(2.2)Unknown or Missing
11
8
(72.7)
3
(27.3)
0
(0.0)Race and EthnicityHispanic/Latino
3,836
3,351
(87.4)
485
(12.6)
117
(3.1)American Indian/Alaska Native
149
89
(59.7)
60
(40.3)
30
(20.1)Asian
5,051
4,679
(92.6)
372
(7.4)
133
(2.6)Black or African American
2,638
2,117
(80.3)
521
(19.7)
190
(7.2)Native Hawaiian/Other Pacific Islander
155
105
(67.7)
50
(32.3)
19
(12.3)White
1,580
1,385
(87.7)
195
(12.3)
62
(3.9)Multiple Race
105
92
(87.6)
13
(12.4)
4
(3.8)Unknown or Missing
63
56
(88.9)
7
(11.1)
2
(3.2)Age Group (Years)0–4
118
71
(60.2)
47
(39.8)
7
(5.9)5–14
126
84
(66.7)
42
(33.3)
12
(9.5)15–24
1,312
1,118
(85.2)
194
(14.8)
43
(3.3)25–44
4,063
3,551
(87.4)
512
(12.6)
159
(3.9)45–64
4,041
3,437
(85.1)
604
(14.9)
228
(5.6)≥65
3,917
3,613
(92.2)
304
(7.8)
108
(2.8)Unknown
2
2
(100.0)
0
(0.0)
0
(0.0)Disease SitePulmonary Only
9,853
8,531
(86.6)
1,322
(13.4)
445
(4.5)Extrapulmonary
2,070
1,897
(91.6)
173
(8.4)
51
(2.5)Both
1,650
1,442
(87.4)
208
(12.6)
61
(3.7)Unknown
4
4
(100.0)
0
(0.0)
0
(0.0)Sputum SmearPositive
6,459
5,608
(86.8)
851
(13.2)
290
(4.5)Negative
5,607
4,938
(88.1)
669
(11.9)
215
(3.8)Not Done
1,494
1,313
(87.9)
181
(12.1)
52
(3.5)Unknown or Missing
17
15
(88.2)
2
(11.8)
0
(0.0)Cavitary Disease4Yes
157
137
(87.3)
20
(12.7)
3
(1.9)No
1,102
961
(87.2)
141
(12.8)
49
(4.4)Unknown or Missing
9
8
(88.9)
1
(11.1)
0
(0.0)Homeless Within Past YearYes
611
422
(69.1)
189
(30.9)
82
(13.4)No
12,800
11,314
(88.4)
1,486
(11.6)
458
(3.6)Unknown or Missing
166
138
(83.1)
28
(16.9)
17
(10.2)Excess Alcohol Use Within the Past YearYes
1,224
951
(77.7)
273
(22.3)
95
(7.8)No
12,056
10,674
(88.5)
1,382
(11.5)
441
(3.7)Unknown or Missing
297
249
(83.8)
48
(16.2)
21
(7.1)Injecting Illicit Drug Use Within Past YearYes
170
124
(72.9)
46
(27.1)
16
(9.4)No
13,125
11,517
(87.7)
1,608
(12.3)
517
(3.9)Unknown or Missing
282
233
(82.6)
49
(17.4)
24
(8.5)Noninjecting Illicit Drug Use Within Past YearYes
1,011
698
(69.0)
313
(31.0)
114
(11.3)No
12,287
10,941
(89.0)
1,346
(11.0)
421
(3.4)Unknown or Missing
279
235
(84.2)
44
(15.8)
22
(7.9)Resident of a Correctional Facility at the Time of DiagnosisYes
386
316
(81.9)
70
(18.1)
40
(10.4)No
13,072
11,458
(87.7)
1,614
(12.3)
514
(3.9)Unknown or Missing
119
100
(84.0)
19
(16.0)
3
(2.5)HIV StatusPositive
595
502
(84.4)
93
(15.6)
38
(6.4)Negative
11,544
10,072
(87.2)
1,472
(12.8)
476
(4.1)Refused
276
236
(85.5)
40
(14.5)
9
(3.3)Not Offered
779
710
(91.1)
69
(8.9)
28
(3.6)Unknown, Missing or Indeterminate
383
354
(92.4)
29
(7.6)
6
(1.6)Multidrug-Resistant TBYes
191
167
(87.4)
24
(12.6)
9
(4.7)No
12,797
11,189
(87.4)
1,608
(12.6)
517
(4.0)Unknown or Missing
589
518
(87.9)
71
(12.1)
31
(5.3)1 Total 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).2 Number of cases attributed to recent transmission includes any given case with a plausible source case regardless of cluster size.3 Number 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).4 Cavitary disease only assessed for persons with pulmonary TB and an abnormal x-ray.Table Printing Tips
							
					
							Last Reviewed:  October 26, 2020						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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