TABLE 1.

Bacterial strains used in this study

O group	O antigens	H antigens	Serovar	Strain	Source and characteristics	Reference
B	1, 4, [5], 12a	i; 1, 2	Typhimurium	D65	Clinical isolate from blood culture, Mali; ST313; antibiotic sensitiveb	15
				CVD 1930	S. Typhimurium D65 ΔguaBA	This work
				CVD 1931	S. Typhimurium D65 ΔguaBA ΔclpX	This work
	1, 4, [5], 12, [27]	z4, z23; [1, 2]	Stanleyville	J65	Clinical isolate from blood culture, Mali	15
	1, 4, [5], 12	e, h; 1, 5	Reading	26A	Clinical isolate from blood culture, Chile	CVD collection
	1, 4, [5], 12	b; 1, 2	Paratyphi B var. Java	S78	Clinical isolate from blood culture, Mali	15
D	1, 9, 12	g, m; −c	Enteritidis	R11	Clinical isolate from blood culture, Mali; antibiotic sensitiveb	15
				CVD 1940	S. Enteritidis R11 ΔguaBA	26
				CVD 1944	S. Enteritidis R11 ΔguaBA ΔclpX	26
	1, 9, 12, [Vi]	g, p; −	Dublin	R17	Clinical isolate from blood culture, Mali	15
				P10	Clinical isolate from blood culture, Mali	15
	1, 9, 12	l, v; 1, 5	Panama	107	Clinical isolate from blood culture, Chile	CVD collection

^aThe brackets indicate that the O or H factor may be present or absent.

^bSensitive to ampicillin, ceftriaxone, chloramphenicol, gentamicin, ciprofloxacin, and trimethoprim-sulfamethoxazole.

^cThe minus symbol indicates that phase 2 H antigens are absent.