Sampling site | No. of samples | No. (%) of Legionella-positive samples by qPCRa | Geometric mean ± SD (log10 copies/m3) in Legionella DNA-positive samplesb |
---|---|---|---|
Road | 151 | 114 (75.5) A | 1.80 ± 0.52 C |
Bathroom | 21 | 15 (71.4) A | 1.82 ± 0.50 CD |
Indoor site | 30 | 11 (36.7) B | 0.88 ± 0.56 D |