TABLE 2.

Susceptibility of cephalosporin/carbapenem-resistant oral/rectal isolates to disinfectants by bacterial species

Organism	Type of isolate	No. of isolates	PVPI		CPC		BZK		CHX
			MIC50	MIC range (μg/mL)	MIC50	MIC range (μg/mL)	MIC50	MIC range (μg/mL)	MIC50	MIC range (μg/mL)
Acinetobacter
A. baumannii	Oral	5	4,375	2,188–4,375	5	2.5–5	2.5	2.5–5	4	4–32
	Rectal + orala	1		2,188		2.5		2.5		8
	Rectal (only)b	2	4,375	4,375	2.5	2.5	5	5	24	16–32
	ATCC 19606c			1,094		2.5		5		64
	ATCC 17978c			2,188		5		5		32
A. baylyi	Oral	1		2,188		2.5		5		4
A. lactucae	Oral	1		1,094		2.5		2.5		4
A. nosocomialis	Oral	5	2,188	1,094–2,188	5	2.5–20	5	5–10	64	16–256
A. pittii	Oral	2	1,094	1,094	3.8	2.5–5	2.5	2.5	4	4
	ATCC 19004c			1,094		2.5		2.5		8
A. seifertii	Oral	2	1,094	1,094	2.5	2.5	22.5	5–40	10	4–16
A. ursingii	Oral	2	1,094	1,094	2.5	2.5	2.5	2.5	4	4
Achromobacter xylosoxidans	Oral	2	2,188	2,188	160	160	60	40–80	4	4
Enterobacter
E. bugandensis	Oral	1		4,375		10		20		32
	Rectal + orala	2	4,375	4,375	30	20–40	20	20	32	32
E. cloacae	Rectal + orala	1		4,375		10		20		64
E. hormaechei	Oral	4	3,282	2,188–4,375	10	5–10	10	5–20	24	16–32
	Rectal + orala	2	4,375	4,375	10	10	10	10	24	16–32
	Rectal (only)b	2	4,375	4,375	10	10	10	10	24	16–32
E. roggenkampii	Rectal + orala	1		4,375		10		20		8
Enterobacter spp. (unknown)	Oral	1		4,375		40		20		16
Escherichia coli	Oral	5	4,375	2,188–4,375	3.8	2.5–40	10	5–40	4	4–8
	Rectal + orala	20	4,375	2,188–4,375	2.5	2.5–5	10	5–10	8	4–16
	Rectal (only)b	19	4,375	1,094–4,375	2.5	2.5–10	5	5–20	4	4–128
	K-12c			2,188		5		10		64
	ATCC 25922c			2,188		5		5		8
Pseudomonas
P. aeruginosa	Oral	8	4,375	2,188–4,375	960	2.5–5,120	60	2.5–640	10	4–64
	Rectal + orala	2	4,375	4,375	1,600	640–2,560	90	20–160	12	8–16
	Rectal (only)b	13	4,375	2,188–4,375	640	160–5,120	40	10–640	16	4–32
	PAO1c			4,375		320		40		64
	ATCC 27853c			4,375		320		40		16
P. citronellolis	Oral	4	4,375	4,375	20	10–20	20	20	4	4
P. fulva	Oral	2	3,282	2,188–4,375	10	10	7.5	5–10	4	4
P. nitroreducens	Oral	2	2,735	1,094–4,375	10	10	20	20	4	4
Proteus mirabilis	Oral	2	4,375	4,375	15	10–20	40	40	64	64
	Rectal + orala	2	4,375	4,375	15	10–20	30	20–40	96	64–128
	Rectal (only)b	4	4,375	4,375	15	10–20	40	20–40	128	64–128
Klebsiella pneumoniae	Rectal + orala	2	4,375	4,375	7.5	5–10	7.5	5–10	80	32–128
	Rectal (only)b	2	4,375	4,375	5	5	10	10	6	4–8
	ATCC BAA-1706c			2,188		5		10		64
Others
Pandoraea apista	Oral	1		4,375		10		10		4
Pantoea septica	Oral	1		1,094		10		5		4
S. maltophilia	Oral	1		1,094		5		20		4

^aRectal isolates from subjects with GN-ARB from the oral cavity.

^bRectal isolates from subjects without GN-ARB from the oral cavity.

^cStandard strain.