Individuals who travel to areas of poor sanitation and limited access to clean water are at greater risk of developing travelers’ diarrhea.
Normal flora of GI tract, E.coli is a major cause of urinary tract infections. It is lactose fermenting, gram negative bacilli.
EHEC can cause severe foodborne diseases; diarrhea or hemorrhagic colitis. It can not ferment sorbitol. EHEC O157:H7 is a major strain.
