Table. Naegleria fowleri in well water samples, Arizona.
| Sample type* | No. (%) positive |
|---|---|
| Initial | 4/40 (10) |
| Purged | 26/145 (17.9) |
| All | 30/185 (16.2) |
*Samples were collected before and after purging 3 borehole volumes. PCR was used to test samples.
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