Which of the following is the characteristic symptom of a disease caused by helminth parasite?

Wuchereria bancrofti is a parasitic worm that causes lymphatic filariasis, a tropical disease commonly known as elephantiasis. One of the characteristic symptoms of a disease caused by Wuchereria bancrofti is the swelling of body parts, especially the limbs and genitalia. This severe and disfiguring swelling is referred to as lymphedema and is a result of chronic infection with the parasite.