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Volume 16, Number 3—March 2010

Dispatch

Global Origin of Mycobacterium tuberculosis in the Midlands, UK

Jason T. EvansComments to Author , Sarah Gardiner, E. Grace Smith, Richard Webber, and Peter M. Hawkey
Author affiliations: Health Protection Agency West Midlands Laboratory, Birmingham, UK (J.T. Evans, S. Gardiner, E.G. Smith, P.M. Hawkey); King’s College London, London, UK (R. Webber); University of Birmingham, Birmingham (P.M. Hawkey)

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Table 2

Distribution of Mycobacterium tuberculosis isolates according to lineage and continent of patient origin on the basis of CEL group, the Midlands, UK*

Continent and region No. (%) isolates in each M. tuberculosis lineage
Total no. (%) isolates
East African–Indian East Asian Euro-American Indo-Oceanic West African-1 West African-2
Africa
Eastern 56 (4) 9 (4) 62 (3) 39 (7) 0 0 166 (4)
Central 0 0 4 (0) 1 (0) 0 0 5 (0)
Northern 2 (0) 0 3 (0) 1 (0) 0 0 6 (0)
Southern 2 (0) 1 (0) 29 (2) 3 (1) 0 0 35 (1)
Western 5 (0) 3 (1) 21 (1) 5 (1) 4 (24) 1 (14) 39 (1)
Unknown 0 1 (0) 6 (0) 1 (0) 0 0 8 (0)
Region total
65 (5)
14 (6)
125 (7)
50 (9)
4 (24)
1 (14)
259 (6)
Americas
Caribbean region 2 (0) 0 5 (0) 0 0 0 7 (0)
North America 2 (0) 0 4 (0) 1 0 0 7 (0)
South America 2 (0) 0 2 (0) 0 0 0 4 (0)
Region total
6 (0)
0
11 (1)
1 (0)
0
0
18 (0)
Asia
Eastern 4 (0) 25 (11) 10 (1) 5 (1) 0 0 44 (1)
Southeastern 1 (0) 2 (1) 3 (0) 5 (1) 0 0 11 (0)
Southern 1,117 (79) 100 (46) 614 (32) 403 (72) 4 (24) 2 (29) 2,240 (55)
Western 5 (0) 0 13 (1) 1 (0) 0 0 19 (0)
Unknown 23 (2) 1 (0) 23 (1) 5 (1) 0 0 52 (1)
Region total
1,150 (81)
128 (59)
663 (35)
419 (75)
4 (24)
2 (29)
2,366 (58)
Europe
Eastern 1 (0) 1 (0) 17 (1) 2 (0) 0 0 21 (1)
Northern 186 (13) 69 (32) 994 (52) 74 (13) 7 (41) 4 (57) 1,334 (33)
Southern 9 (1) 6 (3) 40 (2) 6 (1) 1 (6) 0 62 (2)
Western 0 0 14 (1) 0 1 (6) 0 15 (0)
Unknown 1 (0) 0 7 (0) 2 (0) 0 0 10 (0)
Region total
197 (14)
76 (35)
1,072 (57)
84 (15)
9 (53)
4 (57)
1,442 (35)
Unclassified
7 (0)
0
23 (1)
2 (0)
0
0
32 (1)
Total 1,425 (100) 218 (100) 1,894 (100) 556 (100) 17 (100) 7 (100) 4,117 (100)

*CEL, cultural, ethnic, and linguistic. Unknown indicates that the continent was identified but without a specific region. The United Kingdom (Great Britain and Northern Ireland) is located in northern Europe and India, Pakistan, and Bangladesh are located in southern Asia. A total of 90 (2%) of 4,207 strains were not assigned to 1 of the 6 major lineages.

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