Table 3

CTX-M-producing enterobacteria collected during a 1-week studya in 15 hospitals distributed in different regions of Argentina

Species (no. of isolates)ESBL determinant(s) (no. of isolates)
Klebsiella pneumoniae (21)blaCTX-M-15 (10)
blaCTX-M-2 (9)
blaCTX-M-2 + blaCTX-M-15 (1)
blaCTX-M-8 (1)
Escherichia coli (13)blaCTX-M-15 (7)
blaCTX-M-14 (3)
blaCTX-M-2 (3)
Proteus mirabilis (5)blaCTX-M-2 (4)
blaCTX-M-56 (1)
Klebsiella oxytoca (4)blaCTX-M-2 (3)
blaCTX-M-2 + blaCTX-M-15 (1)
Serratia spp. (3)blaCTX-M-2 (3)
Providencia spp. (1)blaCTX-M-2 (1)
  • a October 2010.