Table 3.

Ribotypes and toxin profiles of environmental Clostridium difficile isolates (n = 119) from companion animal veterinary hospitals

Ribotype	Speciesa	Toxin A	Toxin B	CDT	Number of isolates	Percentage of isolatesb
V	Human	+	+	−	25	21
Y	Human	+	+	+	8	7
W	Human	+	+	−	7	6
027	Human	+	+	+	6	5
C	Human	+	+	+	2	2
K	Human	+	+	+	2	2
N	Human	+	+	+	1	0.8
L	Human	+	+	−	1	0.8
MS E	Human	+	+	−	1	0.8
MS I	Human	+	+	−	1	0.8
AK	Human	+	+	−	1	0.8
AA	Human	−	+	−	1	0.8
OVC B	Canine	−	−	−	27	23
OVC C	Canine	−	−	−	21	18
OVC Cc	Canine	+	+	−	1	0.8
OVC H	Canine	−	−	−	1	0.8
SL 3	Canine	+	+	+	1	0.8
SL 4	Canine	+	+	−	1	0.8
CM 65	NDd	−	−	−	3	3
CM 53	NDd	−	−	−	3	3
CM 57	NDd	+	+	−	2	2
CM 76	NDd	+	+	+	1	0.8
CM 103	NDd	+	+	−	1	0.8
CM 92	NDd	+	+	−	1	0.8

^aKnown animal host where the ribotype has been identified;

^bSum does not equal 100 due to rounding;

^cRibotype had 2 toxin gene patterns;

^dND — not described — newly identified ribotype that has not been described in humans or an animal species.