How long does it take for the larvae of the filarial worm $(Wuchereria \text{ } bancrofti)$ to mature into adults in the human host?

Diethylcarbamazine is the drug useful in the treatment of:

If a person develops chronic swelling of the lymphatic vessels in the appendages and deformity of the genitals, which disease will the person have?

Elephantiasis (filariasis) is caused by which worm?

Through which route do the infective larvae of the filarial worm enter a new host?

While examining a patient, the following symptoms are observed:
$(i)$ Chronic inflammation in the lymphatic vessels of the lower limbs.
$(ii)$ Genital organs are also affected.
What is the disease diagnosed by the doctor?