Table 1.
The polymerase chain reaction (PCR) results at different conditions (positive case/total test times)
| Location No | With filter | Without filter |
|---|---|---|
| 0 | 3/3 | 3/3 |
| 1 | 0/3 | 3/3 |
| 2 | 0/3 | 3/3 |
| 3 | 0/3 | 3/3 |
| 4 | 0/3 | 3/3 |
| 5 | 3/3 | 3/3 |
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