Frequency of the various Legionella spp. identified in the 40 hospital admissions
| Legionella spp. | n (%) |
| L. pneumophila 1 | 9 (22) |
| L. pneumophila 3 | 3 (7) |
| L. pneumophila 4 | 4 (10) |
| L. pneumophila 6 | 3 (7) |
| L. pneumophila 8 | 3 (7) |
| L. pneumophila 9 | 1 (2) |
| L. pneumophila 12 | 4 (10) |
| L. pneumophila 15 | 1 (2) |
| L. erythra | 1 (2) |
| L. feleii | 3 (7) |
| L. nautarum | 3 (7) |
| L. bozemanii | 1 (2) |
| L. gormanii | 4 (10) |
| L. micdadei | 3 (7) |
| L. jordanis | 4 (10) |
| L. oakridgenesis | 1 (2) |
| L. gratiana | 1 (2) |
| L. londinensis | 1 (2) |
| Seropositivity for 2 Legionella spp.# | 8 (20) |
| Seropositivity for 3 Legionella spp.# | 1 (2) |
#: Admissions in which a significant antibody titre change to >1 species of Legionella spp. was identified