Millions of people have been consuming artificial sweeteners for many decades, and no diseases have broken out as a result.

数以百万计的人数十年来都食用人造甜味剂，结果没有引起疾病爆发。

youdao

Virgin-soil epidemics are those in which the populations at risk have had no previous contact with the diseases that strike them and are therefore immunologically almost defenseless.

处女地流行病指的是那些风险人群以前没有接触过袭击他们的疾病，因此在免疫上几乎毫无防御能力的疾病。

youdao

There was no evidence of a connection between BSE and the brain diseases recently confirmed in cats.

没有有关疯牛病和最近证实的猫类脑部疾病之间的关系的证据。

《柯林斯英汉双解大词典》

Colon cancer is one of the world's deadliest diseases, but it often has no symptoms in the early stages.

VOA: standard.2010.04.07

Children get diseases from a class of viruses called rotaviruses, for which we have no vaccine, and- and so no way to protect them.

儿童因轮状病毒而生病,而我们没有针对这种病毒的疫苗,所以,所以我们没有办法保护儿童

耶鲁公开课 - 生物医学工程探索课程节选

Thirty of them target diseases for which there are no immunizations, like malaria and dengue fever.

VOA: standard.2009.12.28

The government of Changsha in Hunan has reassured worried residents that no infectious diseases have been discovered in the pig carcasses in Liuyang river, Global Times reports.

BBC: China media: Remembering Margaret Thatcher

Jon Andrus, deputy director of the Pan American Health Organization, said doctors have seen no increase in reportable diseases within Haiti and there is no risk of a communicable disease outbreak or any other public health threat associated with bodies.

CNN: Survivors still being pulled from Haiti rubble

There are no expensive major diseases to take the place of these three.

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