WHO世界卫生组织：2025年消除人体淋巴丝虫病：进展报告（英文版）

Onchocerciasis, or river blindness, remains a major public health challenge despite decades of sustained efforts. More than 99% of population requiring preventive chemotherapy (PC) for onchocerciasis live in 26 countries in Africa, and about 1% living outside the continent in Brazil, Bolivarian Republic of Venezuela and Yemen. Onchocerciasis is caused by the filarial parasite Onchocerca volvulus, transmitted by blackflies (Simulium spp.) that breed near fast-flowing rivers. It is responsible