Fig 5.

Overview of M. tuberculosis drug-resistant minority variants and mixed strain populations detected. DR: drug resistant (majority variants resistant to any first-line TB drugs); DS: drug susceptible (majority variants susceptible to all first-line TB drugs); DR-MVs: drug-resistant minority variants; Mixed: mixed strain population with/without drug-resistance mutations; Single: single strain population. Numbers (N) in the brackets next to legend indicate the total number of isolates per legend.