<prompt> All are true regarding Lymphatic Filariasis exceptCausative agent - Wuchereria bancroftiIntermediate host - ManMain vector in India - Culex quinquefasciatusMost common epidemiological method for detection - thick film preparation  <response>: 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. 