[蟠尾丝虫 / 蟠尾絲蟲, pán wěi sī chóngㄆㄢˊ ㄨㄟˇ ㄙ ㄔㄨㄥˊ] Onchocerca volvulus, the filarial parasite worm causing "river blindness" or onchocerciasis, the second most common cause of blindness in humans
[蟠尾丝虫症 / 蟠尾絲蟲症, pán wěi sī chóng zhèngㄆㄢˊ ㄨㄟˇ ㄙ ㄔㄨㄥˊ ㄓㄥˋ] "river blindness" or onchocerciasis, the second most common cause of blindness in humans, caused by the filarial parasite worm Onchocerca volvulus