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
All are TRUE regarding filariasis except - 
Select and explain. 
A. Man is an intermediate host, B. Caused by wuchereria bancrofti, C. Involves lymphatic system, D. DEC is used in treatment
A: Man is an intermediate host
Answer: A: Man is an intermediate host 
Explanation: <p> Filariasis:- Causative agent- W.bancrofti, B.malayi and B.timori. Man is definitive host. Mosquito is the intermediate host. Infective stage- microfilaria. The maximum density of microfilaria in blood is repoed between 10 pm-2am. Treatment- DEC. Filarial control in community. {Reference: park&;s textbook of preventive and social medicine, 23rd edition, pg no.274}</p>