Figure 1.
Spoligotype pattern of clustered M. tuberculosis strains in the study.
a As identified in SpolDB4.0; SIT, spoligotype international type; Nb, number of isolates (as a percentage of total M. tuberculosis strains in the study); cfilled boxes represent positive hybridization while empty boxes represent absence of spacers; d label defining the lineage/sub lineage; ND, not yet determined in SpolDB4.0.