Which pathogen causes elephantiasis?

In India, filariasis is transmitted by

How is filariasis (elephantiasis) transmitted?

$Wuchereria bancrofti$ is carried by:

Assertion : Tapeworm,roundworm and pinworm are endoparasites of human intestine.
Reason : Improperly cooked food is the source of intestinal infections.

Lymphedema, i.e., accumulation of lymph fluid in tissue causing swelling, is seen in . . . . . . .