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Table 1 Results of efficacy testing by suspension test of four disinfectants

From: Tolerance of biofilm of a carbapenem-resistant Klebsiella pneumoniae involved in a duodenoscopy-associated outbreak to the disinfectant used in reprocessing

Disinfectant

Exposure time (min)

K. pneumoniae ATCC 13883

K. pneumoniae outbreak strain

H2O2

5

5 % (w/v)

5 % (w/v)

Glutaraldehyde

10

0.04 % (w/v)

0.04 % (w/v)

Isopropanol

1

30 % (w/v)

30 % (w/v)

Peracetic acid

10

≤ 0.0005 % (w/v)

0.003 % (w/v)

  1. Conditions resulted in ≥ 5log10 reduction in CFU of K. pneumoniae strains are presented
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