This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: VBDs, Arboviral & Viral Infections, Surface Infections, Subject name: Social & Preventive Medicine
All are true regarding Lymphatic Filariasis except 
Select and explain. 
A. Causative agent - Wuchereria bancrofti, B. Intermediate host - Man, C. Main vector in India - Culex quinquefasciatus, D. Most common epidemiological method for detection - thick film preparation
B: Intermediate host - Man
Answer: B: Intermediate host - Man 
Explanation: Discussing options one by one: Option -1 - True : Causative agent of lymphatic filariasis - Wuchereria bancrofti Option- 2 - False : Intermediate host in lymphatic filariasis is Mosquito; Definitive host is MAN. Option- 3 - True : Main vector in India - Culex quinquefasciatus Option- 4 - True : Most common epidemiological method for detection - thick film preparation. - Chemotherapy is done by - DEC (Diethylcarbamazine). - Also remember, to detect low-density microfilaraemia, Membrane filter concentration (MFC) method is the most sensitive one.