This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
Traveler's diarrhea is caused due to 
Select and explain. 
A. Enterotoxigenic E. coil, B. Enterohemorrhagic E. coli, C. Enteropathogenic E. coli, D. Enteroinvasive E. coli
A: Enterotoxigenic E. coil
Answer: A: Enterotoxigenic E. coil 
Explanation: Persons from developed countries visiting endemic areas often suffer from ETEC diarrhea--a condition known as Traveler's diarrhea. Ref: Ananthanarayana textbook of Microbiology 9th edition Pgno : 275