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Table 1 Antimicrobial susceptibilities in K1 K. pneumoniae ST23 strains

From: Emergence of serotype K1 Klebsiella pneumoniae ST23 strains co-producing the plasmid-mediated AmpC beta-lactamase DHA-1 and an extended-spectrum beta-lactamase in Korea

Strain

MICs and antimicrobial susceptibility

AMP

P/T

CTX

CAZ

CPM

CIP

AMI

TET

IMI

RIF

KPN1

>64

R

>256

R

16

R

>64

R

>64

R

0.125

S

4

S

1

S

0.5

S

64

R

KPN2

>64

R

>256

R

32

R

>64

R

32

R

4

R

>128

R

4

S

4

R

64

R

KPN3

>64

R

>256

R

32

R

>64

R

0.5

S

2

I

>128

R

2

S

0.125

S

64

R

  1. MIC minimum inhibitory concentration, R resistant, I intermediate, S susceptible, AMP ampicillin, P/T piperacillin/tazobactam, CTX cefotaxime, CAZ ceftazidime, CPM cefepime, CIP ciprofloxacin, AMI amikacin, TET tetracycline, IMI imipenem, RIF rifampin