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Sources of MAC-positive water isolates
| Source | No. (%) of isolates
|
||||
|---|---|---|---|---|---|
| NTM | MAC | M. avium | M. intracellulare | Mx | |
| Hospitals (n = 15) | 15 (100) | 14 (93)a | 11 (79) | 1 (7) | 4 (29) |
| Homes (n = 55) | 45 (82) | 12 (22) | 3 (5) | 7 (13) | 2 (4) |
| Reservoirs (n = 13) | 12 (92) | 5 (38) | 2 (15) | 3 (23) | 0 |
| Commercial buildings (n = 31) | 31 (100) | 12 (39)b | 7 (23) | 5 (3) | 1 (3) |
Two hospitals had both M. avium and Mx.
One building had both M. avium and M. intracellulare.
