Aspergillus can cause serious infections in people with weakened immune systems.

曲霉菌可以在免疫系统较弱的人群中引起严重感染。

Patients with weakened immune systems are more susceptible to klebsiella infections.

免疫系统较弱的患者更容易感染克雷伯氏菌。

CMV is a virus that can cause severe disease such as pneumonia or colitis in people with weakened immune systems, including organ transplant patients.

巨细胞病毒是一种病毒，它可导致伴免疫系统缺陷的人们（包括器官移植患者）患严重疾病，例如肺炎或大肠炎。

Mostly this is disease that is the result of weakened immune systems due to toxic overload from environmental dumping on the part of the human kingdom.

主要的，这是由于免疫系统遭到来自人类所倾倒的超负荷环境垃圾毒素所带来的结果。

Salmonella can cause serious and sometimes fatal infections particularly in young children, frail or elderly people, and those with weakened immune systems.

圣保罗沙门氏菌可以引发严重的、有时甚至是致命的感染，而幼童、老人、体弱者，以及免疫系统较差的人士必须格外小心。

Fresh produce can sometimes cause serious and even fatal infections particularly in young children, frail or elderly people, and others with weakened immune systems.

新鲜农产品，有时可以造成严重甚至致命的感染，尤其是对孩子、老年体弱和其他与免疫系统虚弱的人。

The finding is worrying because an infection that could cause just a stomachache in a healthy person could hospitalize or even kill those with weakened immune systems.

令人担忧的研究显示，由“危险”食物带来的肠胃感染，可能给一个健康人带来的仅仅是腹部疼痛，而却有可能引发那些免疫功能较弱群体的住院治疗或者危及生命。

Finally, the researchers injected these cancer stem cells into the brains of mice with weakened immune systems and then examined the blood vessels within the resulting tumors.

最后，研究者们将这些癌症干细胞注射到免疫低下的小鼠脑部并检测生成的肿瘤中的血管。

Soft-boiled eggs are not recommended for people who may be susceptible to salmonella, such as very young children, the elderly, and those with weakened immune systems.

但是半数的蛋并不适合那些可能对沙门氏菌过敏者，像小孩子，老人以及免疫力低下着。

As a result, honeybees die of over-exhaustion attempting to reproduce the honey that they require; others die of starvation or malnutrition, while others develop weakened immune systems and contract diseases.

所以蜜蜂在重新生产他们所需的蜂蜜时会过劳死，其他的不是饿死，就是死于营养不良，还有一些免疫力降低，被传染。