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(A) lanes 1 and 12: 100-bp ladder; lane 2: DNA control for lineage 6; lanes 3–7: 3+ sputa (all lineages 4 except lineage 1 in lane 5); lanes 8–9: 2+ sputa (both lineage 4); lanes 10–11: 1+ sputa (uninterpretable results). (B) Representative panels for 3+ (lineage 4), 2+ (lineage 4), and 1+ (lineage 2) sputa.
