Human Health and Disease — BIOLOGY STD 12 Science — Question

→Worm like roundworm and wuchereria like filariasis worm(elephantiasis worm) are pathogenic in humans.
(1) Ascariasis
→Intestinal parasitic worms (Ascaris lumbricoid) are responsible for this disease.
Spread through:
→The eggs of this parasite come out with the faeces of the infected person. It contaminates the soil, water and plants. Its spread in a healthy person is by consuming such contaminated water, vegetables, fruits etc.
Symptoms:
→Internal bleeding, muscle pain, fever, anemia and intestinal obstruction.
(2) Elephantasis -Filariasis:
→Pathogens:wuchereria (w.bancrofti &w.malayi)
Spread through:
→The pathogen are transmitted to a healthy person through the bite by female mosquito vector (Culex fatigen).
Symptoms:
→These worms slowly cause chronic inflammation in the lymphatic vessels of animals and remain in the host for years, hence the disease is called elephantiasis.
→Often the genitals are also affected by this disease, causing many deformities.