Objective: To study the disposition of epidemic focus and species of Paragonimiasis and infection condition of people, and the independence of P.

• 目的:研究福建省三元区并殖吸虫病疫源地的虫种分布和人群感染情况,并通过形态观察和分子生物学鉴定研究泡囊狸殖吸虫的独立性。