Fig. 1

Number of sequences and cohort country for the largest molecular transmission clusters (MTCs) consisting of ≥ 10 sequences for subtype B (a) and of ≥ 5 non-B and CRF_02_AG sequences (b)
Number of sequences and cohort country for the largest molecular transmission clusters (MTCs) consisting of ≥ 10 sequences for subtype B (a) and of ≥ 5 non-B and CRF_02_AG sequences (b)