TABLE 1.
L. pneumophila serogroup 1 isolatesa
| Source of isolate | Isolate no. | MAb subtype (no. of isolates) |
|---|---|---|
| Patient isolates (hospital I) | 1-6, 104, 138 | Knoxville (8) |
| Environmental isolates (hospital I) | 7-9, 11-16, 40, 43, 69, 71, 83, 84, 141 | Knoxville (17) |
| 10, 139, 140 | Oxford (3) | |
| Patient isolates (hospital II) | 22, 24, 25 | OLDA (3) |
| 21 | Philadelphia (1) | |
| Environmental isolates (hospital II) | 23 | OLDA (1) |
| Unrelated patient isolates, community-acquired legionellosis | 28 | Benidorm (1) |
| 26, 27, 61 | France/Allentown (3) | |
| 50, 53, 58 | Knoxville (3) | |
| 60 | OLDA (1) | |
| 59 | Philadelphia (1) | |
| Unrelated patient isolates, travel-associated legionellosis | 56 | Benidorm (1) |
| 52, 57 | France/Allentown (2) | |
| 55 | Knoxville (1) | |
| 54, 62, 63 | Philadelphia (3) |
a
There were 49 investigated isolates, belonging to six MAb subtypes.