In healthy hosts, can cause:
UTI
Severe pneumonias (Friedlanders disease)
Liver abscesses
Nosocomial infection:
UTI
Pneumonia
Intra-abdominal and biliary infection
Prosthetic material and vascular catheter infection
May require contact precautions if highly resistant i.e. ESBL, carbapenem resistant.
Treatment of choice for ESBL strains is a carbapenem.