Table 3.

Class B carbapenemase asset found in each pathogen

Pathogens	Class B carbapenemase
	IMP-1	IMP-1-like	IMP-4	IMP-8	VIM-1	VIM-1-like	VIM-2	VIM-2-like	VIM-4	VIM-5
K. pneumoniae	+	+	+		+		+		+	+
S. marcescens		+				+	+	+
E. coli		+	+			+
E. cloacae		+	+	+	+		+	+	+	+
C. freundii	+	+					+

IMP: Imipenemase; VIM: Verona imipenemase; K. pneumoniae: Klebsiella pneumoniae; E. coli: Escherichia coli; E. cloacae: Enterobacter cloacae; S. marcescens: Serratia marcescens; C. freundii: Citrobacter freundii.