Detection and Quantification of Legionella pneumophila from Water Systems in Kuwait Residential Facilities test

Table 2

Range of Legionella cells in positive samples and prevalent serogroups.

Source (n)	Positive samples (n)	Range (CFU/L)	Total isolates	Legionella serogroups
				Group 1	Group 3	Group 4	Group 7	Group 10	L. species
Bathroom (45)	PCR^+/culture^+ (25)	10–2250	27	3	21	0	0	1	2
	PCR^−/culture^+ (2)	20–130
Kitchen (19)	PCR^+/culture^+ (13)	10–1250	15	3	10	1	1	0	0
	PCR^−/culture^+ (2)	10–30
Tank (21)	PCR^+/culture^+ (6)	10–500	6	0	6	0	0	0	0
	PCR^−/culture^+ (0)