隐孢子虫病（crypto）和等孢球虫病都是由原生动物寄生虫引起的。
Cryptosporidiosis (crypto) and isosporiasis are both caused by protozoan parasites.
疟疾：由原生动物疟原虫属引起的复发性的严重原虫病，由按蚊属的多种蚊虫叮咬传染人。
Malaria: a serious relapsing infection caused by protozoa of the genus plasmodium (see plasmodium), transmitted by the Bite of the Anopheles mosquito.
由原生动物疟原虫属引起的复发性的严重原虫病，由按蚊属的多种蚊虫叮咬传染人。
Certain mosquitoes spread malaria and yellow fever germs. They get the germ when they bite a person who has the disease.
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