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Association between colonisation with L. pneumophila sg 1 and reported cases of legionellosis
| HCFs with reported cases | HCFs without reported cases | Total | |
|---|---|---|---|
| HCFs colonised with L. pneumophila sg 1 and other serogroup and species | 11 | 15 | 26 |
| HCFs colonised with L. pneumophila sg 2–14 and other species | 5 | 25 | 30 |
| Total | 16 | 40 | 56 |
p = 0.03 according to the χ2 test.
