Your patient reports 3 days of bloody diarrhea and fever. You isolate a gram-negative, lactose fermenting bacillus. The likely cause of this lower GI disease is which of the following?

Question

Quizplus · Accepted Answer

E. coli, specifically certain strains like Enterohemorrhagic E. coli (EHEC) and Enteroinvasive E. coli (EIEC), can cause bloody diarrhea and are gram-negative, lactose-fermenting bacilli.

Your Patient Reports 3 Days of Bloody Diarrhea and Fever