Plants need to obtain the full spectrum of nutrients from the environment where are extremely rich in microorganisms during the growth of plant, but infection remains a rare event.

植物在生长过程中需要从富含微生物的环境中获取全部营养物质，但它们却很少被感染。

youdao

Various interventions, such as infection-fighting drugs, can increase a population's average survival time, but only approaches that slow the body's rate of aging will increase the maximum lifespan.

各种干预措施，如抗感染药物，可以增加人口的平均存活时间，但只有那些减缓人体衰老速度的方法才能延长最长寿命。

youdao

Application of marlex might increase inflammation response, but it will not increase the incidence of infection.

尽管网片的应用可能增大炎性反应，但并不会增加感染的几率。

youdao

But most importantly, we can look to a world that is free of HIV infection in children.

VOA: special.2010.03.10

Now in some--in the chronic respiratory diseases there's some infection but most of the other things are caused by lifestyle or by other factors, not the infectious diseases.

如今一些,如慢性呼吸道疾病,有一些是传染所得,但大多数,都是生活方式或其他因素导致的,而不是感染性疾病

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, one that perhaps does not reproduce in such high numbers that you create an overwhelming infection, but one that still goes through its lifecycle but is limited in its effect.

因此,一方面这些病毒不会大量复制,从而不会导致暴发性的感染,另一方面,它依旧在进行生命周期循环,只不过对其效用进行了限制

耶鲁公开课 - 生物医学工程探索课程节选

But an infection rate that might reach 2% seems plausible in many countries.

ECONOMIST: The struggle against AIDS in Asia is far from over

We have a very small group of patients called elite controllers, who have never received treatment - but their infection and the replication of the virus is controlled naturally.

BBC: HIV funding cut as science brings 'decisive moment'

It is thought these cases do not represent a "tip of the iceberg" with far more people being infected with mild or no symptoms, but the infection is still being analysed.

BBC: Health