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Volume 12, Number 5—May 2006
Tuberculosis Special Section


Tuberculosis Transmission Attributable to Close Contacts and HIV Status, Malawi

Amelia C. Crampin*†, Judith R. Glynn*Comments to Author , Hamidou Traore*, Malcolm D. Yates‡, Lorren Mwaungulu†, Michael Mwenebabu†, Steven D. Chaguluka†, Sian Floyd*, Francis Drobniewski‡, and Paul E.M. Fine*
Author affiliations: *London School of Hygiene and Tropical Medicine, London, United Kingdom; †Karonga Prevention Study, Chilumba, Malawi; ‡Health Protection Agency National Mycobacterium Reference Laboratory, London, United Kingdom

Main Article

Table 3

Proportion of clustered strains with epidemiologic links

No. with epidemiologic links
within a cluster Total with clustered strains % with link
Total 84 754 11.1
No. bands
>5 72 679 10.6
<5 12 75 16.0
Cluster size (strains with >5 bands only)
Cluster 2–4 18 187 9.6
Cluster 5–9 24 152 15.8
Cluster >10 30 340 8.8

Main Article