Most common cause of UTI
Also common:
Intra-abdominal infection/abscess
Nosocomial pneumonia
Bacteremia
Prosthetic device infection.
Gastroenteritis, ranging from traveler's diarrhea to invasive infection with hemolytic-uremic syndrome
May require contact precautions if highly resistant i.e. ESBL, carbapenem resistant
Treatment of choice for ESBL strains is a carbapenem