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Scientists have decoded the genome of a snail involved in the spread of a deadly parasitic disease. 日前，科学家已经解码了一种涉及致命寄生虫病蔓延的蜗牛的基因组。 They say the information will help in the fight against schistosomiasis, an infection caused by a parasitic worm that lives in streams and ponds. 他们表示，这些信息有助于抗击血吸虫病，这是一种由存活在溪流和池塘中的寄生虫所引发的传染病。 The disease affects millions of people a year in sub-tropical and tropical regions. 这种疾病每年在亚热带和热带地区影响着数百万人。 | 
