Escherichia spp (other than E. coli)

• E. albertii
• E. fergusonii
• E. hermanii
• E. vulneris

Gram Stain

• Gram negative bacilli - fermenter

Clinical Significance

These organisms may be found on vegetation/legumes and wild/domestic birds.

They have been recovered from a variety of clinical specimens and have been implicated in various infections including peritonitis, meningitis, bacteremia, urine and wound infections.

Usual Susceptibility Pattern

These organisms should be susceptible to cephalosporins, TMP/SMX, and quinolones.