Table 2. Mutation detection in field populations.
| Country | Collection site | A302S | R300Q | DM |
|---|---|---|---|---|
| China | Guilin | 4 | 0 | 0 |
| Jiujiang | 6 | 1 | 1 | |
| Taizhou | 11 | 2 | 2 | |
| Nanjing | 7 | 2 | 2 | |
| Vietnam | Ho Chi Minh | 12 | 3 | 3 |
| Hanoi | 5 | 1 | 1 | |
| Tien Giang | 3 | 0 | 0 | |
| Dong Thap | 8 | 1 | 1 | |
| Thailand | Suphanburi | 6 | 2 | 2 |
| Ang Thong | 8 | 1 | 1 | |
| Chainat | 10 | 2 | 2 | |
| Chiengmai | 4 | 0 | 0 |
In each population, 300 individuals were used to detect A302S and R300Q mutations. DM, double mutation. The same numbers of R300Q and DM in each population showed all R300Q mutations were detected in individuals with A302S mutation.