Cluster group | Total number of strains | Strain codes |
I | 6 | 1, 10, 49, 25, 33, 24 |
II | 10 | 11, 12, 13, 14, 15, 16, 18, 19, 20, 17 |
III | 18 | 2, 3, 4, 5, 21, 26, 27, 31, 32, 41, 42, 43, 44, 45, 38, 53, 6, 29 |
IV | 16 | 37, 40, 48, 22, 23, 28, 30, 35, 50, 51, 55, 56, 7, 8, 9, 54 |
V | 10 | 34 36, 39 46, 47, 52 57, 58, 59, 60 |