Table 2.
Details of 80 clusters
| Genotype | No. of cluster | No. of strains in each cluster |
|---|---|---|
| Beijing-type | ||
| 1 | 26 | |
| 1 | 11 | |
| 1 | 10 | |
| 1 | 9 | |
| 1 | 8 | |
| 1 | 7 | |
| 4 | 4 | |
| 9 | 3 | |
| 50 | 2 | |
| Non-Beijing-type | ||
| 11 | 2 | |
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