Question

Which Escherichia coli type is commonly associated with chronic diarrhea in infants and nursery outbreaks in the United States?

A. E. coli O157:H7
B. E. coli O111:B4
C. E. coli O104:H4
D. E. coli O121:H19

Answer 1

E. coli O157:H7 is the Escherichia coli type commonly associated with chronic diarrhea in infants and nursery outbreaks in the United States.

Step-by-step explanation:

The Escherichia coli type commonly associated with chronic diarrhea in infants and nursery outbreaks in the United States is E. coli O157:H7. This strain of E. coli can cause abdominal cramps and diarrhea in humans, and infections usually originate from contaminated water or food.