This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Microbiology
The most common sensitive causative organism for Traveller&;s diarrhoea is rpt 
Select and explain. 
A. E. coli, B. Shigella, C. Norwalk virus, D. Rotavirus
A: E. coli
Answer: A: E. coli 
Explanation: Traveller&;s diarrhoea is diarrhoea that develops during, or sholy after, travel abroad. It is caused by eating food, or drinking water, contaminated by germs (microbes) including bacteria, viruses and parasites. Mainly caused by E.coli. Textbook of microbiology, Ananthanarayan and Paniker