Picture 15
This picture shows Escherichia coli in Gram stain.
Escherichia coli
Morphology: Gram negative cocci that are facultative anaerobes, ferment lactose, are commensals in human gastrointestinal tract
Route of transmission: Food borne
Investigations: Gram stain, organism cultured on MacConkey's agar
Diseases:
Urinary tract infections
Neonatal meningitis
Enteric infections (Traveler's diarrhoea)
Treatment:
Penicillin
Cefotaxime