Table 3.

Frequencies of virulence genes among the molecular types of 71 S. aureus isolates recovered from breast milk.

Molecular type	Isolates (n)	pvl	hla	hlb	hlg	hlg2	icaA	clfA	sdrC	sdrD	sdrE	bsa	lukE	lukM	tsst	eta	etb	arcA
ST398	14	0	100	100	100	42.9	100	100	100	0	78.6	0	0	0	0	0	0	14.3
ST7	13	0	100	15.4	38.5	100	100	100	100	100	7.7	7.7	13	0	7.7	15.4	0	15.4
ST59	12	33.3	100	100	0	100	100	100	100	0	91.7	0	0	0	0	0	0	33.3
ST188	5	20	100	60	40	100	100	100	100	0	100	20	100	0	0	0	0	20
ST6	5	0	100	40	20	100	100	100	100	100	80	100	100	0	20	40	0	0
ST1	3	33.3	100	33.3	33.3	100	100	100	100	66.7	33.3	100	100	0	66.7	33.3	0	0
ST5	3	0	100	33.3	0	100	100	100	0	100	100	0	100	0	33.3	0	0	0
ST15	2	0	100	0	0	100	100	100	100	100	50	0	100	0	0	0	0	0
ST20	2	0	100	50	0	100	100	100	100	50	100	0	100	0	50	0	0	0
ST88	2	0	100	100	0	100	100	100	100	100	0	0	100	0	0	0	0	50
ST615	2	1	100	100	100	100	100	100	100	100	100	0	100	0	100	0	0	0
ST630	2	0	100	100	0	100	100	100	100	50	50	0	0	0	0	0	0	0
ST8	1	0	100	100	0	100	100	100	100	100	100	100	100	0	0	0	0	0
ST12	1	0	100	100	100	100	100	100	100	100	100	0	100	0	0	0	0	0
ST22	1	100	100	100	100	100	100	100	100	100	100	0	0	0	0	0	0	0
ST25	1	0	100	0	0	100	100	100	100	0	100	100	100	0	0	0	0	0
ST508	1	0	100	0	100	100	100	100	100	0	100	0	0	0	0	0	0	0
ST1290	1	0	100	0	0	100	100	100	0	100	100	0	100	0	0	0	0	0
Total	71	11.3	100	63.4	39.4	88.7	100	100	94.4	49.3	67.6	16.9	57.8	0	11.3	7	0	14.1