Reported Tuberculosis in the United States, 2020
Table 9. Tuberculosis Cases and Percentages, by Multidrug Resistance (MDR),1 Origin of Birth, and Previous History of TB: United States, 1993–2020
See Surveillance Slide #56.
| Year | All MDR2 | Multidrug Resistant TB Cases | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total MDR | U.S.-Born MDR3 | Non-U.S.–Born3,4 MDR | |||||||||||||||||
| Previous TB | No previous TB | Previous TB | No previous TB | Previous TB | No previous TB | ||||||||||||||
| Eligible | No. | (%) | Eligible | No. | (%) | Eligible | No. | (%) | Eligible | No. | (%) | Eligible | No. | (%) | Eligible | No. | (%) | ||
| 1993 | 484 | 982 | 76 | (7.7) | 16,604 | 407 | (2.5) | 668 | 30 | (4.5) | 11,809 | 301 | (2.5) | 301 | 46 | (15.3) | 4,667 | 103 | (2.2) |
| 1994 | 431 | 1,033 | 74 | (7.2) | 16,419 | 353 | (2.1) | 693 | 35 | (5.1) | 11,011 | 238 | (2.2) | 336 | 38 | (11.3) | 5,291 | 110 | (2.1) |
| 1995 | 327 | 958 | 70 | (7.3) | 16,024 | 254 | (1.6) | 592 | 28 | (4.7) | 10,340 | 169 | (1.6) | 364 | 42 | (11.5) | 5,653 | 85 | (1.5) |
| 1996 | 250 | 862 | 43 | (5.0) | 15,361 | 207 | (1.3) | 559 | 21 | (3.8) | 9,637 | 104 | (1.1) | 303 | 22 | (7.3) | 5,677 | 102 | (1.8) |
| 1997 | 201 | 742 | 44 | (5.9) | 14,451 | 155 | (1.1) | 455 | 12 | (2.6) | 8,698 | 76 | (0.9) | 286 | 32 | (11.2) | 5,708 | 79 | (1.4) |
| 1998 | 155 | 749 | 23 | (3.1) | 13,422 | 132 | (1.0) | 485 | 6 | (1.2) | 7,696 | 55 | (0.7) | 262 | 17 | (6.5) | 5,693 | 76 | (1.3) |
| 1999 | 157 | 669 | 28 | (4.2) | 12,660 | 127 | (1.0) | 382 | 6 | (1.6) | 7,012 | 39 | (0.6) | 284 | 22 | (7.7) | 5,596 | 88 | (1.6) |
| 2000 | 146 | 632 | 26 | (4.1) | 11,829 | 120 | (1.0) | 360 | 2 | (0.6) | 6,141 | 40 | (0.7) | 272 | 24 | (8.8) | 5,659 | 80 | (1.4) |
| 2001 | 151 | 629 | 33 | (5.2) | 11,518 | 115 | (1.0) | 324 | 7 | (2.2) | 5,571 | 34 | (0.6) | 302 | 26 | (8.6) | 5,911 | 81 | (1.4) |
| 2002 | 158 | 570 | 26 | (4.6) | 10,823 | 132 | (1.2) | 303 | 3 | (1.0) | 5,060 | 35 | (0.7) | 265 | 23 | (8.7) | 5,722 | 97 | (1.7) |
| 2003 | 119 | 524 | 21 | (4.0) | 10,755 | 94 | (0.9) | 253 | 2 | (0.8) | 4,854 | 23 | (0.5) | 271 | 19 | (7.0) | 5,871 | 70 | (1.2) |
| 2004 | 128 | 538 | 27 | (5.0) | 10,484 | 100 | (1.0) | 274 | 4 | (1.5) | 4,683 | 26 | (0.6) | 264 | 23 | (8.7) | 5,791 | 74 | (1.3) |
| 2005 | 125 | 507 | 23 | (4.5) | 10,064 | 98 | (1.0) | 240 | 2 | (0.8) | 4,394 | 20 | (0.5) | 267 | 21 | (7.9) | 5,653 | 77 | (1.4) |
| 2006 | 124 | 494 | 20 | (4.0) | 9,909 | 103 | (1.0) | 204 | 1 | (0.5) | 4,125 | 19 | (0.5) | 289 | 19 | (6.6) | 5,768 | 84 | (1.5) |
| 2007 | 124 | 496 | 19 | (3.8) | 9,656 | 101 | (1.0) | 206 | 3 | (1.5) | 3,849 | 18 | (0.5) | 288 | 16 | (5.6) | 5,764 | 83 | (1.4) |
| 2008 | 107 | 429 | 19 | (4.4) | 9,310 | 88 | (0.9) | 170 | 3 | (1.8) | 3,647 | 21 | (0.6) | 259 | 16 | (6.2) | 5,657 | 67 | (1.2) |
| 2009 | 115 | 343 | 19 | (5.5) | 8,228 | 95 | (1.2) | 116 | 1 | (0.9) | 3,091 | 12 | (0.4) | 226 | 18 | (8.0) | 5,129 | 83 | (1.6) |
| 2010 | 106 | 360 | 17 | (4.7) | 7,789 | 87 | (1.1) | 131 | 3 | (2.3) | 2,925 | 14 | (0.5) | 229 | 14 | (6.1) | 4,858 | 73 | (1.5) |
| 2011 | 128 | 343 | 27 | (7.9) | 7,534 | 101 | (1.3) | 135 | 1 | (0.7) | 2,688 | 17 | (0.6) | 208 | 26 | (12.5) | 4,843 | 84 | (1.7) |
| 2012 | 89 | 356 | 12 | (3.4) | 7,076 | 77 | (1.1) | 127 | 0 | (0.0) | 2,515 | 13 | (0.5) | 229 | 12 | (5.2) | 4,561 | 64 | (1.4) |
| 2013 | 96 | 300 | 12 | (4.0) | 6,856 | 83 | (1.2) | 98 | 2 | (2.0) | 2,278 | 7 | (0.3) | 202 | 10 | (5.0) | 4,573 | 76 | (1.7) |
| 2014 | 94 | 336 | 24 | (7.1) | 6,736 | 70 | (1.0) | 94 | 0 | (0.0) | 2,175 | 10 | (0.5) | 242 | 24 | (9.9) | 4,557 | 60 | (1.3) |
| 2015 | 88 | 318 | 16 | (5.0) | 6,955 | 72 | (1.0) | 100 | 3 | (3.0) | 2,188 | 10 | (0.5) | 218 | 13 | (6.0) | 4,762 | 62 | (1.3) |
| 2016 | 97 | 302 | 18 | (6.0) | 6,717 | 78 | (1.2) | 83 | 0 | (0.0) | 2,051 | 8 | (0.4) | 219 | 18 | (8.2) | 4,661 | 70 | (1.5) |
| 2017 | 129 | 277 | 26 | (9.4) | 6,587 | 102 | (1.5) | 58 | 2 | (3.4) | 1,848 | 17 | (0.9) | 219 | 24 | (11.0) | 4,735 | 85 | (1.8) |
| 2018 | 104 | 289 | 18 | (6.2) | 6,550 | 85 | (1.3) | 57 | 1 | (1.8) | 1,866 | 12 | (0.6) | 232 | 17 | (7.3) | 4,683 | 73 | (1.6) |
| 2019 | 92 | 272 | 15 | (5.5) | 6,468 | 77 | (1.2) | 59 | 1 | (1.7) | 1,789 | 12 | (0.7) | 213 | 14 | (6.6) | 4,673 | 65 | (1.4) |
| 2020 | 56 | 213 | 9 | (4.2) | 5,216 | 47 | (0.9) | 41 | 0 | (0.0) | 1,411 | 3 | (0.2) | 172 | 9 | (5.2) | 3,788 | 44 | (1.2) |
1Resistance to at least isoniazid and rifampin among cases with susceptibility testing complete for at least isoniazid and rifampin. Excludes cases with susceptibility testing not done or unknown for isoniazid or rifampin. Isolates may be resistant to other drugs.
2This column provides an overall total of all MDR cases, including those whose previous history of TB is unknown and origin of birth is unknown.
3Excludes cases where previous history of TB is unknown and cases where origin of birth is unknown.
4Includes persons born outside the United States (including the U.S. territories), except persons born to at least one U.S. citizen parent.
Note: Data for all years updated through June 14, 2021.
Page last reviewed: October 25, 2021