Case Report
Clusters of Healthcare-Associated Legionnaires’ Disease in Two Hospitals of Central Greece
Table 1
Microbiological analysis results of environmental samples for Legionella spp. detection from Hospital A.
| | Hospital A | | Sampling date | Sampling point | Result | | Culture (cfu/L) | SBT§ |
| | 26th April | Cardiology department: shower head | 2 × 103Lp sg 1˚ | — | | Cardiology department: nebulizer, swab | Negative | — | | Cardiology department: drinking-water fountain | 100 Lp sg 1˚
200 Lp sg 2–14 | — | | Cardiology department: cardiology ICU’s‡ water distribution system | Negative | — |
| | 18th May | Cardiology department: storage room, bathroom | 3 × 103Lp sg 1˚ | ST-1: 1,4,3,1,1,1,1 | | Cardiology department: room 542, swab (patient 1) | Negative | — | | Cardiology department: room 548, nebulizer, swab (patient 2) | Negative | — | | Cardiology department: drinking-water fountain | 2.3 × 104Lp sg˚ 2–14˚ | — | | Internal medicine department: room 510 | Negative | — | | Boiler number 6 | Negative | — | | Water softener outlet | Negative | — | | Cooling tower number 1 | Negative | — | | Cooling tower number 3 | 100 Legionella spp. | — |
| | 6th September | Technical staff offices: drinking fountain | 2 × 103Lp sg 2–14
800 Legionella spp. | — | | Cooling tower 1 | 9.6 × 104Legionella spp. | — | | Cooling tower 3 | 1.6 × 105Legionella spp. | — | | Cooling tower 5 | 5.9 × 104Legionella spp. | — | | Boiler number 1 | Negative | — | | Boiler number 2 | Negative | — | | Cardiology department: drinking-water fountain, swab | Negative | — | | Cardiology department: room 542, shower | 100 Legionella spp. | — | | Internal medicine department: room 510 | Negative | — | | Internal medicine department: storage room (stagnant line) | 7.5 × 103Lp sg 1˚
4 × 103Legionella spp. | ST-1: 1,4,3,1,1,1,1 | | Cardiology department: storage room (stagnant line) | Negative | — |
|
|
Colony-forming units per liter; §sequence-based typing; ˚ Legionella pneumophila serogroup; ‡intensive care unit. |
