5. Elephantiasis: grossly enlarged members
Lymphatic Filariasis, commonly called “elephantiasis” because of the elephant-like appearance of swollen limbs in those most severely affected, is caused by the parasitic thread-like worm, Wuchereria bancrofti, and is transmitted to humans through the bites of mosquitoes. Long-term infection can lead to painful and disfiguring chronic enlargement of the limbs. It also causes severe swelling in the genitals of males; a condition known as hydrocele.