TABLE 2.

Proportion of mice with positive blood cultures (≥ 2 CFU/ml) after infection under the indicated conditions with different strains of S. aureus

S. aureus strain and injection route	Time postinfection (h)	No. of mice with positive blood cultures/total no.
		WT	Complemented	Δica
Newman, i.v.	2	8/8	8/8	6/8
	4	8/8	8/8	6/8
10833, i.v.	2	8/8	8/8	5/8
	4	8/8	8/8	4/8a
MN8, i.v.	2	8/8	8/8	3/8b
	4	8/8	8/8	1/8c
Newman, i.v./CSAd	2	NDe	8/8	4/8a
	4	ND	8/8	3/8b
Newman, i.p.	2	ND	8/8	4/8a
	4	ND	8/8	4/8a

^aSignificantly different from the value obtained for the WT strain (P = 0.038 by Fisher's exact test).

^bSignificantly different from the value obtained for the WT strain (P = 0.013 by Fisher's exact test).

^cSignificantly different from the value obtained for the WT strain (P = 0.0007 by Fisher's exact test).

^dCSA, Columbia salt agar used to prepare the inoculum.

^eND, not done.