No. of samples/total (%) | Legionella spp. | L. pneumophila serogroup 1 | L. pneumophila serogroups 2–14 | Legionella non pneumophila |
---|---|---|---|---|
Hot water samples | ||||
No. of positive samples/total (%) | 65/172 (37.8) | 32/172 (18.6) | 38/172 (22.1) | 7/172 (4.1) |
No. of samples with 500–999 CFU/L/total (%) | 14/65 (21.5) | 9/32 (28.1) | 2/38 (5.3) | 5/7 (71.4) |
No. of samples with 103-9999 CFU/L/total (%) | 31/65 (47.7) | 19/32 (59.4) | 20/38 (52.6) | 1/7 (14.3) |
No. of samples with ≥ 104 CFU/L/total (%) | 20/65 (30.8) | 4/32 (12.5) | 16/38 (42.1) | 1/7 (14.3) |
Cold water samples | ||||
No. of positive samples/total (%) | 17/97 (17.5) | 11/97 (11.3) | 6/97 (6.2) | 2/97 (2.1) |
No. of samples with 500–999 CFU/L/total (%) | 9/17 (52.9) | 7/11 (63.6) | 1/6 (16.7) | 1/2 (50.0) |
No. of samples with 103-9999 CFU/L/total (%) | 7/17 (41.2) | 4/11 (36.4) | 4/6 (66.7) | 1/2 (50.0) |
No. of samples with ≥ 104 CFU/L/total (%) | 1/17 (5.9) | 0/11 (0.0) | 1/6 (16.7) | 0/2 (0.0) |