Skip directly to site content Skip directly to search


Español  Other Languages


An official website of the United States government Here's how you know
 Official icon**Official websites use .gov**
				A .gov website belongs to an official government organization in the United States. Lock icon**Secure .gov websites use HTTPS**
				A lock (  ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.


Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People
	CDC LogoCDC Logo
 Search

		Submit


Tuberculosis (TB)





Reported Tuberculosis in the United States, 2018						Print
																Related Pages
										Return to Main Menu
Table 59. Characteristics of Tuberculosis Cases Estimated to be Attributed to Recent Transmission and Extensive Recent Transmission: United States, 2017-2018
See Surveillance Slides #42, #43 and #44
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
13,601
11,889
(87.4)
1,712
(12.6)
589
(4.3)**Origin of Birth**U.S-born
3,854
2,885
(74.9)
969
(25.1)
376
(9.8)Non-U.S.–born
9,726
8,987
(92.4)
739
(7.6)
212
(2.2)Unknown or Missing
21
17
(81.0)
4
(19.0)
1
(4.8)**Race and Ethnicity**Hispanic/Latino
3,739
3,270
(87.5)
469
(12.5)
129
(3.5)American Indian/Alaska Native
166
99
(59.6)
67
(40.4)
40
(24.1)Asian
5,076
4,714
(92.9)
362
(7.1)
122
(2.4)Black or African American
2,726
2,176
(79.8)
550
(20.2)
223
(8.2)Native Hawaiian/Other Pacific Islander
155
118
(76.1)
37
(23.9)
11
(7.1)White
1,597
1,391
(87.1)
206
(12.9)
59
(3.7)Multiple Race
87
73
(83.9)
14
(16.1)
4
(4.6)Unknown or Missing
55
48
(87.3)
7
(12.7)
1
(1.8)**Age Group (Years)**0–4
122
74
(60.7)
48
(39.3)
9
(7.4)5–14
143
96
(67.1)
47
(32.9)
15
(10.5)15–24
1,282
1,107
(86.3)
175
(13.7)
48
(3.7)25–44
4,167
3,624
(87.0)
543
(13.0)
186
(4.5)45–64
4,073
3,480
(85.4)
593
(14.6)
223
(5.5)≥65
3,812
3,506
(92.0)
306
(8.0)
108
(2.8)Unknown
2
2
(100.0)
0
(0.0)
0
(0.0)**Disease Site**Pulmonary Only
9,884
8,524
(86.2)
1,360
(13.8)
473
(4.8)Extrapulmonary
2,096
1,928
(92.0)
168
(8.0)
58
(2.8)Both
1,588
1,409
(88.7)
179
(11.3)
57
(3.6)Unknown
33
28
(84.8)
5
(15.2)
1
(3.0)**Sputum Smear**Positive
6,387
5,508
(86.2)
879
(13.8)
316
(4.9)Negative
5,563
4,922
(88.5)
641
(11.5)
219
(3.9)Not Done
1,632
1,441
(88.3)
191
(11.7)
54
(3.3)Unknown or Missing
19
18
(94.7)
1
(5.3)
0
(0.0)**Cavitary Disease4**Yes
152
132
(86.8)
20
(13.2)
4
(2.6)No
1,082
957
(88.4)
125
(11.6)
42
(3.9)Unknown or Missing
4
4
(100.0)
0
(0.0)
0
(0.0)**Homeless Within Past Year**Yes
628
437
(69.6)
191
(30.4)
92
(14.6)No
12,815
11,316
(88.3)
1,499
(11.7)
488
(3.8)Unknown or Missing
158
136
(86.1)
22
(13.9)
9
(5.7)**Excess Alcohol Use Within the Past Year**Yes
1,299
999
(76.9)
300
(23.1)
112
(8.6)No
11,987
10,625
(88.6)
1,362
(11.4)
456
(3.8)Unknown or Missing
315
265
(84.1)
50
(15.9)
21
(6.7)**Injecting Illicit Drug Use Within Past Year**Yes
166
132
(79.5)
34
(20.5)
10
(6.0)No
13,137
11,509
(87.6)
1,628
(12.4)
559
(4.3)Unknown or Missing
298
248
(83.2)
50
(16.8)
20
(6.7)**Noninjecting Illicit Drug Use Within Past Year**Yes
979
689
(70.4)
290
(29.6)
129
(13.2)No
12,341
10,960
(88.8)
1,381
(11.2)
444
(3.6)Unknown or Missing
281
240
(85.4)
41
(14.6)
16
(5.7)**Resident of a Correctional Facility at the Time of Diagnosis**Yes
411
346
(84.2)
65
(15.8)
26
(6.3)No
13,097
11,466
(87.5)
1,631
(12.5)
560
(4.3)Unknown or Missing
93
77
(82.8)
16
(17.2)
3
(3.2)**HIV Status**Positive
638
529
(82.9)
109
(17.1)
43
(6.7)Negative
11,359
9,937
(87.5)
1,422
(12.5)
489
(4.3)Refused
291
251
(86.3)
40
(13.7)
11
(3.8)Not Offered
851
752
(88.4)
99
(11.6)
37
(4.3)Unknown, Missing or Indeterminate
462
420
(90.9)
42
(9.1)
9
(1.9)**Multidrug-Resistant TB**Yes
222
191
(86.0)
31
(14.0)
13
(5.9)No
12,383
10,859
(87.7)
1,524
(12.3)
513
(4.1)Unknown or Missing
996
839
(84.2)
157
(15.8)
63
(6.3)1 Total 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).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 ≥6 cases (≥5 secondary and one source case).4 Cavitary disease only assessed for persons with pulmonary TB and an abnormal chest radiograph.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
					Facebook
        Twitter
        LinkedIn
        Syndicate homeTuberculosisData and Statisticsplus iconTB Incidence in the United StatesReported TB in the US, 2022 Surveillance Reportplus iconNational DataReporting Area DataRisk FactorsDemographicsTB Treatment and Case OutcomesDrug-Resistant TBMolecular SurveillanceTuberculosis in the United States, 2022 (Slide Set)Archived Surveillance Reports and Slide Sets2021 State and City ReportArchived State and City Reports To receive email updates about this page, enter your email address: Email Address			What's this?				Submit
 Error processing SSI file


About CDC
					Contact Us
					800-232-4636
 Facebook Twitter Instagram LinkedIn Youtube Pinterest Snapchat
 CONTACT CDC
				Contact Us
							Call 800-232-4636
							Email Us
			ABOUT CDC
				About CDC
							Jobs
							Funding
			POLICIES
				Accessibility
							External Links
							Privacy
							Policies
							No Fear Act
							FOIA
							OIG
							Nondiscrimination
							Vulnerability Disclosure Policy
			CONNECT WITH US
				Facebook
								Twitter
								Instagram
								LinkedIn
							Youtube
								Pinterest
								Snapchat
								Email
			LANGUAGES
				Español
							繁體中文
							Tiếng Việt
							한국어
							Tagalog
							Русский
							العربية
							Kreyòl Ayisyen
							Français
							Polski
							Português
							Italiano
							Deutsch
							日本語
							فارسی
							English


U.S. Department of Health & Human Services
			Accessibility
			External Links
			Privacy
			Policies
			No Fear Act
			FOIA
			Nondiscrimination
			OIG
			Vulnerability Disclosure Policy
			USA.gov


Exit Notification / Disclaimer Policy Close
 Links with this icon  indicate that you are leaving the CDC website. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website.
				Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website.
				You will be subject to the destination website's privacy policy when you follow the link.
				CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website. Website Disclaimers
 Cancel Continue