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Legionella contamination of immediate samples and postflush samples of the hot water collected
| No. of Legionella CFU liter−1 | No. (%) of positive samples of hot water
|
|
|---|---|---|
| Immediate sample | Postflush sample | |
| 500-999 | 43 (48) | 45 (52) |
| 103-9,999 | 73 (60.5) | 54 (39.5) |
| ≥104 | 27 (73.4) | 11 (26.6) |
| Total | 143 (57.5) | 110 (42.5) |
