The evidence for a significant role for cell-mediated immune responses in other protozoon diseases of animal is less complete . 在动物的其它原虫性疾病中，有关细胞免疫应答的重要作用的证据尚不充足。
2.
Indirect harm cockroach carries a variety of pathogenic microorganisms such as bacteria , virus , protozoon , parasitic ovum and fungi , etc 蟑螂能携带多种细菌、病毒、原虫、寄生虫卵、真菌等病原微生物。
3.
Flies spread various microorganisms and carry worm eggs . up to now , 30 species of virus , 100 - plus species of bacteria and 30 species of protozoon have been discovered 蝇类传播的微生物很多，已证实病毒约30种，细菌100多种，原虫30多种并可携带多种蠕虫卵等。
4.
It was observed that the filtrates of the bacterial culture showed significant lytic effect on blue - green algae , indicating the anti - algal effect results from the substances released by the bacteria in addition to the competitions of phosphorous between the 3 bacteria and algae . a protozoon was isolated 这说明了在一定磷浓度下， 3株细菌与蓝藻之间有磷的竞争关系；另一方面，可能启示人们认识到，当磷浓度增加导致水华暴发时，溶藻细菌的数量也会急剧增加，起到控制水华的作用。
