TABLE 1 

Summary of environmental locations surveyed and blaKPC/blaNDM-positive organisms identified between January 2012 and December 2016

Location (no. of
isolates)
Total no.
of samples
No. (%) with organisms
carrying carbapenemase genes
Species identified
Wastewater from manhole (7), pipe (8),
sludge (4)
1915 (78.9)Acinetobacter spp., Aeromonas spp., C. freundii
complex, Citrobacter sp., Enterobacteriaceaea
family, E. cloacae complex, E. coli,
K. pneumoniae, K. oxytoca, Pseudomonasb sp.,
Serratiac spp.
Housekeeping closet floor drains (79),
equipment (38), surface (11)
12816 (12.5)Acinetobacter spp. (blaNDM), Aeromonas spp.,
C. freundii complex, E. cloacae complex,
Leclercia spp., Escherichiad sp., Pantoea spp.,
K. pneumoniae
Hospital sink drains (285), trap water (5),
aerators (32), faucets (12), water (6)
34011 (3.2)K. pneumoniae, K. oxytoca, E. cloacae complex,
C. freundii complex,
High-touch surfaces2173 (1.4)Pantoea spp., K. pneumoniae
All70445 (6.4)
  • a Not able to assign a genus.

  • b Not P. aeruginosa.

  • c Not S. marcescens.

  • d Not E. coli.