Filariasis is caused by several round, coiled and thread-like parasitic worms that belongs to the family filaridea. These parasites penetrate the skin either on their own or through the opening created by mosquito bites to reach the lymphatic system. 

The disease is caused by the nematode worm, either Wuchereria bancrofti or Brugia malayi and is transmitted by mosquito species Culex quinquefasciatus and Mansonia  annulifera/M.uniformis respectively. 

The disease generally presents with the symptoms like swelling of legs, and hydrocele and can cause a raft of societal stigma. 

 

Lymphatic Filariasis (LF) is also commonly known as elephantiasis. It is a disfiguring and disabling disease, which is generally seen in childhood. In the early stages, there are either no symptoms or non-specific symptoms. The lymphatic system is damaged. This stage can last for several years. Infected persons sustain the transmission of the disease. The long term physical consequences are painful swollen limbs (lymphoedema or elephantiasis). Hydrocele in males is also common in endemic areas.

 

 

References: www.who.int(link is external)