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Reported Tuberculosis in the United States, 2021						Print
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Table 52. Tuberculosis Cases and Percentages Estimated to be Attributed to Recent Transmission and Extensive Recent Transmission: Reporting Areas, 2020–2021
See Surveillance Slides #63 and #64.
Tuberculosis cases and percentages attributed to recent transmission and extensive recent transmission by reporting area.
Reporting area
Total cases1
Cases not attributed to  recent transmission
Cases attributed to recent transmission2
Cases attributed to extensive recent transmission3No.
(%)
No.
(%)
No.
(%)United States
11,404
10,004
(87.7)
1,400
(12.3)
456
(4.0)Alabama
134
119
(88.8)
15
(11.2)
4
(3.0)Alaska
87
49
(56.3)
38
(43.7)
15
(17.2)Arizona
209
191
(91.4)
18
(8.6)
0
(0.0)Arkansas
95
71
(74.7)
24
(25.3)
11
(11.6)California
2,619
2,274
(86.8)
345
(13.2)
118
(4.5)Colorado
75
71
(94.7)
4
(5.3)
0
(0.0)Connecticut
85
79
(92.9)
6
(7.1)
1
(1.2)Delaware
43
27
(62.8)
16
(37.2)
11
(25.6)District of Columbia
30
29
(96.7)
1
(3.3)
0
(0.0)Florida
727
639
(87.9)
88
(12.1)
33
(4.5)Georgia
348
299
(85.9)
49
(14.1)
13
(3.7)Hawaii
150
122
(81.3)
28
(18.7)
13
(8.7)Idaho
11
11
(100.0)
0
(0.0)
0
(0.0)Illinois
328
303
(92.4)
25
(7.6)
1
(0.3)Indiana
166
150
(90.4)
16
(9.6)
0
(0.0)Iowa
61
55
(90.2)
6
(9.8)
0
(0.0)Kansas
69
64
(92.8)
5
(7.2)
0
(0.0)Kentucky
91
86
(94.5)
5
(5.5)
0
(0.0)Louisiana
116
97
(83.6)
19
(16.4)
4
(3.4)Maine
27
24
(88.9)
3
(11.1)
1
(3.7)Maryland
220
195
(88.6)
25
(11.4)
10
(4.5)Massachusetts
231
224
(97.0)
7
(3.0)
3
(1.3)Michigan
148
135
(91.2)
13
(8.8)
0
(0.0)Minnesota
182
167
(91.8)
15
(8.2)
5
(2.7)Mississippi
64
54
(84.4)
10
(15.6)
7
(10.9)Missouri
121
115
(95.0)
6
(5.0)
0
(0.0)Montana
5
5
(100.0)
0
(0.0)
0
(0.0)Nebraska
46
42
(91.3)
4
(8.7)
0
(0.0)Nevada
97
85
(87.6)
12
(12.4)
5
(5.2)New Hampshire
22
22
(100.0)
0
(0.0)
0
(0.0)New Jersey
403
380
(94.3)
23
(5.7)
2
(0.5)New Mexico
40
37
(92.5)
3
(7.5)
0
(0.0)New York State4
252
240
(95.2)
12
(4.8)
2
(0.8)New York City
786
666
(84.7)
120
(15.3)
46
(5.9)North Carolina
280
235
(83.9)
45
(16.1)
18
(6.4)North Dakota
21
21
(100.0)
0
(0.0)
0
(0.0)Ohio
182
164
(90.1)
18
(9.9)
0
(0.0)Oklahoma
79
62
(78.5)
17
(21.5)
8
(10.1)Oregon
110
97
(88.2)
13
(11.8)
5
(4.5)Pennsylvania
253
233
(92.1)
20
(7.9)
1
(0.4)Rhode Island
18
16
(88.9)
2
(11.1)
0
(0.0)South Carolina
125
106
(84.8)
19
(15.2)
1
(0.8)South Dakota
21
18
(85.7)
3
(14.3)
0
(0.0)Tennessee
136
111
(81.6)
25
(18.4)
9
(6.6)Texas
1,427
1,192
(83.5)
235
(16.5)
103
(7.2)Utah
30
29
(96.7)
1
(3.3)
0
(0.0)Vermont
2
2
(100.0)
0
(0.0)
0
(0.0)Virginia
257
240
(93.4)
17
(6.6)
1
(0.4)Washington
276
256
(92.8)
20
(7.2)
5
(1.8)West Virginia
12
12
(100.0)
0
(0.0)
0
(0.0)Wisconsin
87
83
(95.4)
4
(4.6)
0
(0.0)Wyoming
0
0
...
0
...
0
...Show More1Total 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).2Number of cases attributed to recent transmission includes any given case with a plausible source case regardless of cluster size.3Number 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).4Excludes New York City.
**Note:** Ellipses (...) indicate that the percentage cannot be calculated, and the denominator is 0.Table Printing Tips
							
					
							Last Reviewed:  November 29, 2022						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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