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Volume 21, Number 3—March 2015

Tuberculosis Microepidemics among Dispersed Migrants, Birmingham, UK, 2004–2013

Melinda L. Munang1Comments to Author , Catherine Browne1, Shaina Khanom, Jason T. Evans, E. Grace Smith, Peter M. Hawkey, Heinke Kunst, Steven B. Welch, and Martin Dedicoat
Author affiliations: Heart of England NHS Foundation Trust, Birmingham, UK (M.L. Munang, C. Browne, S.B. Welch, M.J. Dedicoat); Public Health England Regional Centre for Mycobacteriology, Birmingham (S. Khanom, J.T. Evans, E.G. Smith, P.M. Hawkey); Queen Mary University of London, London, UK (H. Kunst)

Main Article

Table 1

Mycobacterium tuberculosis strain type clusters involving Eritrea-born patients and associated cluster members born elsewhere, Birmingham, UK, 2004–2013*

Cluster designation (24-loci MIRU-VNTR)† No. patients in cluster No. patients born in Eritrea No. patients born elsewhere (not Eritrea), country‡ No. patients epidemiologically linked to >1 other patient in cluster
A (32433 2242515321 233323462) 12 12 0 12
B (32433 2512511322 132443383) 5 3 2, Yemen 2
C (32435 2332517333 455443382) 3 3 0 2
D (32433 2512511322 131443373) 5 4 1, Kenya 0
E (32432 2311514322 124523342) 3 1 2, Lithuania and Pakistan 2
F (42235 2642515333 342423374)
2, Pakistan
Unique 24-loci strains NA 18 NA NA
Only 15 loci available§ NA 15 NA NA
Culture negative
Total 34 88 7 20

*MIRU-VNTR, mycobacterial interspersed repetitive units variable-number tandem-repeat; NA, not applicable.
†24-loci MIRU-VNTR was available beginning in 2010.
‡All cases were in recent migrants (arriving in the past 5 y). No epidemiologic links between those from different countries were found except in cluster E.
§15-loci MIRU-VNTR typing was available beginning in 2003.

Main Article

1These authors contributed equally to this article.

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Page updated: February 18, 2015
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