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Reported Tuberculosis in the United States, 2020
Table 8. Tuberculosis Cases and Percentages, by Resistance to Isoniazid (INH),1 Origin of Birth, and Previous History of TB: United States, 1993–2020
See Surveillance Slide #55.
| Year | All INH-Resistant2 | Isoniazid Resistant TB Cases | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total INH-Resistant | U.S.-Born INH-Resistant3 | Non-U.S.–Born3,4 INH-Resistant | |||||||||||||||||
| 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 | 1,534 | 982 | 161 | (16.4) | 16,604 | 1,367 | (8.2) | 668 | 83 | (12.4) | 11,809 | 789 | (6.7) | 301 | 75 | (24.9) | 4,667 | 564 | (12.1) |
| 1994 | 1,543 | 1033 | 175 | (16.9) | 16,419 | 1,352 | (8.2) | 693 | 81 | (11.7) | 11,011 | 708 | (6.4) | 336 | 93 | (27.7) | 5,291 | 632 | (11.9) |
| 1995 | 1,352 | 958 | 168 | (17.5) | 16,024 | 1,174 | (7.3) | 592 | 77 | (13.0) | 10,340 | 554 | (5.4) | 364 | 91 | (25.0) | 5,653 | 619 | (10.9) |
| 1996 | 1,284 | 862 | 142 | (16.5) | 15,361 | 1,133 | (7.4) | 559 | 68 | (12.2) | 9,637 | 495 | (5.1) | 303 | 74 | (24.4) | 5,677 | 637 | (11.2) |
| 1997 | 1,195 | 742 | 109 | (14.7) | 14,451 | 1,078 | (7.5) | 455 | 35 | (7.7) | 8,698 | 435 | (5.0) | 286 | 74 | (25.9) | 5,708 | 640 | (11.2) |
| 1998 | 1,120 | 749 | 98 | (13.1) | 13,422 | 1,011 | (7.5) | 485 | 38 | (7.8) | 7,696 | 366 | (4.8) | 262 | 60 | (22.9) | 5,693 | 643 | (11.3) |
| 1999 | 1,000 | 669 | 82 | (12.3) | 12,660 | 900 | (7.1) | 382 | 25 | (6.5) | 7,012 | 284 | (4.1) | 284 | 55 | (19.4) | 5,596 | 614 | (11.0) |
| 2000 | 981 | 632 | 84 | (13.3) | 11,829 | 889 | (7.5) | 360 | 22 | (6.1) | 6,141 | 269 | (4.4) | 272 | 62 | (22.8) | 5,659 | 617 | (10.9) |
| 2001 | 897 | 629 | 87 | (13.8) | 11,518 | 800 | (6.9) | 324 | 28 | (8.6) | 5,571 | 241 | (4.3) | 302 | 59 | (19.5) | 5,911 | 558 | (9.4) |
| 2002 | 913 | 570 | 80 | (14.0) | 10,823 | 826 | (7.6) | 303 | 23 | (7.6) | 5,060 | 206 | (4.1) | 265 | 57 | (21.5) | 5,722 | 619 | (10.8) |
| 2003 | 904 | 524 | 65 | (12.4) | 10,755 | 823 | (7.7) | 253 | 16 | (6.3) | 4,854 | 213 | (4.4) | 271 | 49 | (18.1) | 5,871 | 606 | (10.3) |
| 2004 | 872 | 538 | 64 | (11.9) | 10,484 | 801 | (7.6) | 274 | 15 | (5.5) | 4,683 | 214 | (4.6) | 264 | 49 | (18.6) | 5,791 | 587 | (10.1) |
| 2005 | 842 | 507 | 70 | (13.8) | 10,064 | 761 | (7.6) | 240 | 18 | (7.5) | 4,394 | 188 | (4.3) | 267 | 52 | (19.5) | 5,653 | 567 | (10.0) |
| 2006 | 845 | 494 | 67 | (13.6) | 9,909 | 770 | (7.8) | 204 | 9 | (4.4) | 4,125 | 173 | (4.2) | 289 | 57 | (19.7) | 5,768 | 596 | (10.3) |
| 2007 | 798 | 496 | 71 | (14.3) | 9,656 | 715 | (7.4) | 206 | 14 | (6.8) | 3,849 | 163 | (4.2) | 288 | 57 | (19.8) | 5,764 | 549 | (9.5) |
| 2008 | 835 | 429 | 57 | (13.3) | 9,310 | 774 | (8.3) | 170 | 13 | (7.6) | 3,647 | 188 | (5.2) | 259 | 44 | (17.0) | 5,657 | 585 | (10.3) |
| 2009 | 762 | 343 | 52 | (15.2) | 8,228 | 699 | (8.5) | 116 | 6 | (5.2) | 3,091 | 192 | (6.2) | 226 | 46 | (20.4) | 5,129 | 507 | (9.9) |
| 2010 | 692 | 360 | 63 | (17.5) | 7,789 | 622 | (8.0) | 131 | 13 | (9.9) | 2,925 | 165 | (5.6) | 229 | 50 | (21.8) | 4,858 | 457 | (9.4) |
| 2011 | 753 | 343 | 59 | (17.2) | 7,534 | 687 | (9.1) | 135 | 9 | (6.7) | 2,688 | 172 | (6.4) | 208 | 50 | (24.0) | 4,843 | 515 | (10.6) |
| 2012 | 686 | 356 | 55 | (15.4) | 7,076 | 631 | (8.9) | 127 | 8 | (6.3) | 2,515 | 146 | (5.8) | 229 | 47 | (20.5) | 4,561 | 485 | (10.6) |
| 2013 | 675 | 300 | 48 | (16.0) | 6,856 | 622 | (9.1) | 98 | 8 | (8.2) | 2,278 | 131 | (5.8) | 202 | 40 | (19.8) | 4,573 | 491 | (10.7) |
| 2014 | 688 | 336 | 63 | (18.8) | 6,736 | 621 | (9.2) | 94 | 5 | (5.3) | 2,175 | 162 | (7.4) | 242 | 58 | (24.0) | 4,557 | 459 | (10.1) |
| 2015 | 685 | 318 | 51 | (16.0) | 6,955 | 633 | (9.1) | 100 | 7 | (7.0) | 2,188 | 150 | (6.9) | 218 | 44 | (20.2) | 4,762 | 482 | (10.1) |
| 2016 | 651 | 302 | 57 | (18.9) | 6,717 | 590 | (8.8) | 83 | 7 | (8.4) | 2,051 | 122 | (5.9) | 219 | 50 | (22.8) | 4,661 | 468 | (10.0) |
| 2017 | 635 | 277 | 54 | (19.5) | 6,587 | 577 | (8.8) | 58 | 3 | (5.2) | 1,848 | 105 | (5.7) | 219 | 51 | (23.3) | 4,735 | 471 | (9.9) |
| 2018 | 641 | 289 | 53 | (18.3) | 6,550 | 584 | (8.9) | 57 | 7 | (12.3) | 1,866 | 104 | (5.6) | 232 | 46 | (19.8) | 4,683 | 480 | (10.2) |
| 2019 | 643 | 272 | 37 | (13.6) | 6,468 | 601 | (9.3) | 59 | 4 | (6.8) | 1,789 | 118 | (6.6) | 213 | 33 | (15.5) | 4,673 | 483 | (10.3) |
| 2020 | 456 | 213 | 31 | (14.6) | 5,216 | 419 | (8.0) | 41 | 3 | (7.3) | 1,411 | 67 | (4.7) | 172 | 28 | (16.3) | 3,788 | 349 | (9.2) |
1Resistance to at least isoniazid 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 INH-resistant cases, including those where 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.