Spectrum: Local Antimicrobial Stewardship, for Island Health

Fosfomycin - Antibiogram Data

Gram Negative
% of Isolates Susceptible

Citrobacter freundii100%
n = 278
Citrobacter koseri99%
n = 175
Escherichia coli (ESBL)94%
n = 1011
Escherichia coli94%
n = 14105

Includes both ESBL and non-ESBL

Klebsiella oxytoca93%
n = 483
Serratia marcescens92%
n = 157
Enterobacter aerogenes91%
n = 216
Proteus mirabilis91%
n = 804
Proteus vulgaris90%
n = 44
Providencia species89%
n = 53
Enterobacter cloacae88%
n = 524
Klebsiella pneumoniae88%
n = 1809

Includes both ESBL and non-ESBL

Klebsiella pneumoniae (ESBL)86%
n = 77
Morganella morganii40%
n = 197