TABLE 2.

Distribution of SHV-type enzymes in different bacterial species

Species (no. of isolates)SHV-1SHV-2aSHV-5SHV-11SHV-12
C. freundii (6)6
C. koserii (3)111
E. aerogenes (7)7
E. cloacae (5)4 (1)a
E. coli (24)11317 (2)
K. oxytoca (9)17 (1)
K. pneumoniae (108)2523370 (5)
S. marcescens (3)3
M. morganii (1)1
Total (166)57264115 (9)
% of total3.04.215.72.474.7
  • a The number of isolates in which the ESBL determinant was associated with the presence of a blaTEM-1 or blaTEM-2 determinant is in parentheses.