Introduction Filariasis is caused by a parasite which belong to the nematode family. All three infections are transmitted to man by the bites of infective mosquitoes.
Filariasis is a global problem.
The public health problem of lymphatic filariasis is greatest in China, India and Indonesia. These three countries account for about two-thirds of the estimated world total of persons infected. Filarial problem in India Filariasis is a major public health problem in India. Heavily infected areas are found in Uttar Pradesh, Bihar, Andhra Pradesh, Orissa, TamilNadu, Kerala and Gujarat. The infection is acquired from a person who has filariasis.