卡氏肺孢子虫是一种呈世界分布的重要机会感染病原体。除了可以寄生人体外,还可寄生于大鼠、小鼠、豚鼠、仓鼠、雪貂、兔、猴的体内。其它动物能否被感染尚未得到证实。感染不同宿主的肺孢子虫是否属于同一种系也不十分清楚。一般认为肺孢子虫只有一个种和与之相关的亚种。为了检验猫和犬能否被肺孢子虫感染并验证朝鲜国内不同哺 Pneumocystis carinii is an important opportunistic pathogen that is globally distributed. In addition to parasitic human body, but also parasitic in rats, mice, guinea pigs, hamsters, ferrets, rabbits, monkeys in vivo. Whether other animals can be infected has not yet been confirmed. It is not entirely clear whether Pneumocystis infected with different hosts belong to the same line. Pneumocystis is generally considered to have only one species and its associated subspecies. In order to test whether cats and dogs can be infected with Pneumocystis and validate different feeding practices in North Korea