Onchocerciasis, also known as river blindness, is a parasitic disease caused by the filarial nematode Onchocerca volvulus (O. volvulus). River blindness is on the World Health Organization’s list of ...
The World Health Organization (WHO) congratulates Niger for having met the criteria for onchocerciasis elimination, making it the fifth country globally and the first country in Africa to be ...
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