蛔 ㄏㄨㄟ ˊ huí 虫 ㄔㄨㄥ ˊ chóng 病 ㄅㄧㄥ ˋ bìng 蛔 ㄏㄨㄟ ˊ huí 蟲 ㄔㄨㄥ ˊ chóng 病 ㄅㄧㄥ ˋ bìng ascariasis infectation by parasitic roundworm Ascaris lumbricoides