Gram-negative rod
Facultative anaerobe
Lactose-fermenting
Grows pink on MacConkey agar
Urease positive
Grows pink on MacConkey agar
Klebsiella
Gram-positive
Escherichia coli
Streptococcus pneumoniae
Citrobacter
Staphylococcus aureus
Acinetobacter
Gram-negative