Which of the following statements are incorrect for elephantiasis or filariasis?

(I) Parasite usually found in lymphatic vessels of the lower limbs.

(II) The pathogens are transmitted to a healthy person through the bite by the female culex mosquito.

(III) Wuchereria bancrofti and W. malayi are responsible for this disease.

(IV) The eggs of the parasite of infected persons can contaminate soil, water, plants, etc.

(V) Parasite also affects genital organs resulting in gross deformities.

(VI) Symptoms of these disease include internal bleeding, anaemia and blockage of the blood vessels.