Table 1. Prevalence of the fbs genes and of their regulator genes in a collection of 134 isolates belonging to the GBS major clonal complexes.

	Clonal complexes (CC)
	CC17	CC19	CC23	CC1	CC10
	N° (%)	N° (%)	N° (%)	N° (%)	N° (%)
	n = 38	n = 21	n = 20	n = 29	n = 26
fbsA	38 (100.0)	5 (23.8)	20 (100.0)	24 (82.8)	24 (92.3)
fbsB	38 (100.0)	1(4.8)	15 (75.0)	0 (0.0)	0 (0.0)
rovS	38 (100.0)	21 (100.0)	20 (100.0)	29 (100.0)	26 (100.0)
rogB	8 (21.0)	21 (100.0)	20 (100.0)	29 (100.0)	26 (100.0)
rgf	38 (100.0)	3 (14.3)	5 (25.0)	27 (93.1)	26 (100.0)