FIG. 3.

Distribution of Legionella species from environmental water sources according to facility type (n = 560). “Other L. pneumophila serogroups*” comprised sg 4 (2.0% in buildings and 2.8% in hospitals), sg 8 (2.5% in buildings, 1.2% in public baths, and 0.7% in hospitals), sg 9 (0.6% in public baths and 7.1% in springs), sg 11 (0.6% in public baths), sg 12 (0.5% in buildings, 0.6% in public baths, 0.7% in hospitals, and 7.1% in springs), sg 13 and sg 14 (0.5% each in buildings), sg 15 (0.7% in hospitals), and L. pneumophila isolates not identified as members of any serogroup (1.4% in hospitals). “Other Legionella species**” comprised L. dumoffii and L. rubrilucens (0.6% each in public baths) and L. spiritensis (1.5% in buildings and 7.1% in springs). “Non-identifiable Legionella species***” comprised Legionella isolates not identified as members of any known species.