This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Kala-azar is transmitted by 
Select and explain. 
A. Reduvid bug, B. Sandfly, C. Tsetse fly, D. Mosquito
B: Sandfly
Answer: B: Sandfly 
Explanation: 47. Sandfly In India Kala-azar is transmitted from person to person by the bite of the female phlebotomine sandlfy, P. argentipes. Transmission may also take place by contamination of the bite wound or by contact when the insect is crushed during the act of feeding. Remember Visceral leishmaniasis or Kala-azar is transmitted by the sandfly - Phlehotomine argentipes Cutaneous leishmaniasis is transmitted by the sandfly - P. paparasi and P. sergenti.