TABLE 1

Legionella genotype occurrence and environmental parameters measured in a drinking-water system in northern Israela

Sampling pointbMLVA genotypecPrevalence (%)Temp (°C)pHConductivity (mS/cm)dChlorine (mg/liter)
AGt158645.1 ± 5.047.57 ± 0.141.05 ± 0.040.13 ± 0.12
CGt410019.23 ± 3.057.59 ± 0.071.02 ± 0.070.01 ± 0.003
DGt48820.85 ± 5.197.75 ± 0.210.97 ± 0.130.15 ± 0.04
EGt610035.59 ± 6.168.36 ± 0.280.97 ± 0.060.12 ± 0.02
FGt610023.83 ± 4.257.62 ± 0.321.03 ± 0.20.05 ± 0.01
GGt610021.58 ± 4.867.70 ± 0.291.02 ± 0.10.41 ± 0.18
  • a Data are from reference 19.

  • b The selected sampling points in the drinking-water system covered the water route in the sampled zone. Point A was the point closest to where the drinking water entered the sampling area, and points C to G followed the water course.

  • c Strains belonging to these three genotypes were examined in the present study. Gt4 and Gt6 strains were classified as serogroup 1, while Gt15 strains were classified as serogroup 3.

  • d Millisiemens per centimeter.