Volume 17, Number 7—July 2011
Research
Epidemiology and Control of Legionellosis, Singapore
Table 4
Isolation rate for Legionella bacteria in environmental samples obtained from cooling towers and fountains, Singapore, 2000–August 2008*
Characteristic | No. positive/no. tested (%) |
|||||||
---|---|---|---|---|---|---|---|---|
2000† | 2001† | 2002† | 2004 | 2005 | 2006 | 2007 | 2008‡ | |
Isolation rate | 114/193 (59.1) | 220/323 (68.1) | 140/291 (48.1) | 883/7,284 (12.1) | 635/4,160 (15.3) | 448/3,073 (14.6) | 385/2,711 (14.2) | 172/1,406 (12.2) |
*Data were unavailable for 2003.
†Data were incomplete.
‡January–August only.