1. Onchocerciasis is an endemic disease in west Africa and Central America.
盘尾丝虫病是西部非洲和中美洲的一种地方病。
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2. Treatment with ivermectin has enabled significant progress in the control of onchocerciasis, and currently reaches more than 60 million people in Africa annually.
使用伊维菌素使疾病控制取得了明显的进展，非洲目前每年有逾6千万人接受治疗。
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3. A clinical trial is being launched in three African countries of a drug that could eliminate onchocerciasis, or river blindness, one of the leading infectious causes of blindness across Africa.
4. A clinical trial is being launched in three African countries of a drug that could eliminate onchocerciasis, or river blindness, one of the leading infectious causes of blindness across Africa.
