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目前全世界有20亿以上的人受到寄生虫感染。在发展中国家,特别是在热带和亚热带地区,这种感染非常普遍,以蛔虫最多。估计有12亿人感染蛔虫,约占世界人口的1/4。钩虫有美洲钩虫和十二指肠钩虫两种主要类型,约有8亿人受此感染。但这种情况一直没有得到各国卫生部门以及国际卫生组织的足够重视。
More than 2 billion people worldwide are now infected with parasites. In developing countries, especially in tropical and subtropical areas, the infection is prevalent, with the most roundworms. An estimated 1.2 billion people are infected with roundworms, accounting for about a quarter of the world’s population. Hookworms have two main types of hookworm and hookworm, about 800 million people affected by this infection. However, this situation has not been given enough attention by the national health departments and the World Health Organization.