Bancroftian filariasis (lymphatic filariasis) is a filarial infection in humans caused by a nematode parasite Wuchereria bancrofti and is transmitted by species of mosquito such as Anopheles, Culex, Aedes and Mansonia. It is also a chronically disabling parasitic infection causing elephantiasis, lymphoedema, and hydrocoele. The disease is considered as a major obstacle to economic development in endemic countries. It has been identified by the World Health Organization in 1995 as the second leading cause of permanent and long-term disability on infected individuals. However, there are now...