And symptoms accumulate: sight is gradually lost, genital lesions appear around puberty (sometimes increasing risk of HIV), and skin condition declines as millions of microscopic worms become intolerably itchy. Blood loss, causing anemia, is the result of thousands of worms chewing at the wall of the gut.
而且症状会逐渐增加：视力逐渐丧失，青春期开始出现生殖器病变（有时候会增加感染HIV的风险），皮肤因数百万微小的寄生虫而变得瘙痒难忍，状况恶化。成千上万的寄生虫啃噬内脏的脏壁，造成失血，引发贫血症。