Question

What causes river blindness?

Answer 1

Answer:

Onchocerca volvulu

Explanation:

River blindness is a disease caused by infection with the parasitic worm this is spread by black fly (Onchocerca volvulu)

cause: Onchocerca volvulu

agent: Black Fly

Answer 2

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River blindness is caused by parasites.When this bites we get some diseases and some blindness.There are many members who are affected by this.This has also been a big disease.This is mostly found in rural villages and who lives near rivers,ponds they can also have some chances to get this.With this additionally we get skin diseases,itching,rashes,visual impairment.This is very neglected disease.The parasite which bites will be in black in colour.These can't be cured.