Salmonella enterica: Survival, Colonization, and Virulence Differences among Serovars

Table 9

Examples of nontyphoidal Salmonella isolates from US patients and their multidrug resistance profile [75].

Serovar	Multidrug
	Resistant to >5 antimicrobials		ACSSuT^1		ACSSuTAuCx^2		ACT/S^3
Newport	22	17.2%	22	20.6%	22	66.7%	4	36.4%
Typhimurium	76	59.4%	68	63.6%	7	21.2%	4	36.4%
Heidelberg	6	4.7%	1	0.9%
Dublin	3	2.3%	3	2.8%	3	9.1%	1	9.1%
I 4, , 12:i:-	3	2.3%	1	0.9%
Infantis	1	0.8%	1	0.9%	1	3.0%
Cubana	2	1.6%	1	0.9%			1	9.1%
Concord	2	1.6%
Denver	1	0.8%
Kentucky	2	1.6%
Choleraesuis	2	1.6%	1	0.9%			1	9.1%
Paratyphi B	7	5.5%	7	6.5%
Unknown	1	0.8%	1	0.9%

ACSSuT: ampicillin, chloramphenicol, streptomycin, sulfamethoxazole/sulfisoxazole, and tetracycline.
²ACSSuTAuCx: ACSSuT, amoxicillin-clavulanic acid, and ceftriaxone.
³ACT/S: ampicillin, chloramphenicol, and trimethoprim-sulfamethoxazole.