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
Leprosy commonly spreads by - 
Select and explain. 
A. Milk, B. Droplet, C. Water, D. Mosquitoes
B: Droplet
Answer: B: Droplet 
Explanation: There are more and more evidence that leprosy may be transmitted aerosols containing M.leprae (droplet infection). Ref: PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition pg 317