疟疾主要在热带和亚热带地区流行,遍及全球90多个国家和地区,使世界人口的41%受到威胁。恶性疟每年造成150-200万人死亡,其中80%是5岁以下儿童和妊娠期妇女,已成为全球严重的公共卫生问题,同艾滋病、结核一起被世界卫生组织列为对人类健康威胁最严重的三大传染病之一〔1〕。对 Malaria is endemic mainly in the tropics and subtropics and spreads in more than 90 countries and territories, threatening 41% of the world’s population. It causes 150-200 million deaths of falciparum malaria each year. 80% of them are children under 5 years of age and pregnant women. They have become a serious public health problem in the world. Together with AIDS and tuberculosis, they are listed as the most serious threat to human health by WHO One of the three major infectious diseases 〔1〕. Correct