Table 3.

Recovery of NTM categorized by sample source

Sample sourceNTM species
No. (%) of NTM-positive samplesNTM species recovered
Drinking water
 Ground5 (100) M. gordonae
 Surface13 (41) M. mucogenicum
5 (16) M. intracellulare
3 (9) M. gordonae
3 (9) M. gastri/kansasii
1 (3)MCRO 45a
1 (3)MCRO 19a
1 (3)X88911b
1 (3) M. fortuitum
1 (3) M. peregrinum
1 (3) M. scrofulaceum
1 (3) M. avium
3 (9)Unknownc
Ice (hospital patient floors)5 (83) M. fortuitum
1 (17) M. peregrinum
Drinking water treatment
 Membrane filter effluent1 (100) M. chelonae
 Ice machine treatment cartridge1 (50) M. fortuitum
1 (50) M. gordonae
  • a Related to M. simiae(20).

  • b Related to M. scrofulaceum(27).

  • c The hypervariable region A and B sequences did not match or no match could be found for the hypervariable region B sequence.