This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Cholera transmission by - 
Select and explain. 
A. Food transmits, B. Vaccination gives 90% efficiency, C. Healthy carrier, D. Chlorination is nor effective
A: Food transmits
Answer: A: Food transmits 
Explanation: Mode of transmission of cholera is by - faecally contaminated water. - contaminated foods and drinks. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:230 <\p>