TABLE 1.

List of Salmonella strains used in this study and their fosfomycin MIC values with their interpretations

Inventory no.	Collection date (day-mo-yr)	Organism	Strain or isolate	Zone of inhibition (mm)	Fosfomycin MIC (μg/ml) (resistance)a
1768	04-Oct-04	Salmonella Heidelberg	SALB-47-2	26	>32 (R)
1770	04-Oct-04	Salmonella Heidelberg	SALB-46	26	>32 (R)
1773	25-Oct-04	Salmonella Heidelberg	SALB-159-4	26	>32 (R)
3342	28-Jun-05	Salmonella Heidelberg	ABB07-SB3031	26	>32 (R)
3346	28-Jun-05	Salmonella Enteritidis	ABB07-SB3071	35	<2 (S)
3346-1	28-Jun-05	Salmonella Enteritidis	ABB07-SB3071 + empty vector	35	<2 (S)
3346-2	28-Jun-05	Salmonella Enteritidis	ABB07-SB3071 + fosA7	0	>512 (R)
12b	NAc	Escherichia coli	ATCC 25922	27	<2 (S)

^aMICs were measured by both the broth and agar dilution method recommended by the CLSI and interpreted by EUCAST standard; the interpretation is designated I (intermediate), S (susceptible), or R (resistant).

^bQuality control strain.

^cNA, not applicable.