$Wuchereria bancrofti$ is:

Internal bleeding,fever,muscular pain = $Ascariasis$ :: abdominal pain,constipation and blockage of the intestinal passage = ?

How long do adult worms live in filariasis?

Assertion $A$: In elephantiasis, body parts like legs, arms, and genital organs swell significantly.
Reason $R$: In chronic cases, filarial worms block the lymphatic vessels.
Which option is correct for Assertion $A$ and Reason $R$?

Which is the secondary or intermediate host of the Hookworm?

Which of the following is a correctly matched pair of vector and disease?