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Onchocerciasis, also known as river blindness, is caused by the parasitic worm Onchocerca volvulus. The disease is transmitted to humans through the bites of infected blackflies belonging to the genus Simulium, which breed near fast-flowing rivers. Once inside the human body, the larvae develop into adult worms, leading to various symptoms, including skin irritation and vision impairment. The disease is prevalent in certain tropical regions of Africa, Central America, and Yemen.

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4w ago

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