The disease has no known cure.

这种病目前还是不治之症。

《牛津词典》

The disease spreads easily.

这种疾病容易传播。

《牛津词典》

The disease originated in Africa.

这种疾病起源于非洲。

《柯林斯英汉双解大词典》

The International Institute for Tropical Agriculture says the disease is widely found in Gabon,Angola,Malawi, and the Democratic Republic of Congo.

VOA: special.2009.09.21

So, that was a naturally occurring attenuated virus that could be produced into a vaccine that didn't cause the disease.

因为天花病毒存在天然的衰减病毒,这种衰减病毒可以用来,直接生产不致病的疫苗

耶鲁公开课 - 生物医学工程探索课程节选

So, this just shows as the vaccine was distributed, given to more people, that prevalence of the disease dropped dramatically.

因此,这表明随着疫苗的推广,以及接种人数的增加,该疾病的患病率显著降低

耶鲁公开课 - 生物医学工程探索课程节选

Measles is particularly dangerous in young infants but anyone can get the disease at any time.

BBC: Long shadow cast by MMR scare

The stress of figuring all this out is difficult enough without the terror of the disease itself.

FORBES: When Illness Strikes

Geoff Martin is one of a growing number of people in the UK diagnosed with the disease.

BBC: NHS 'paid ?17 for gluten-free pizza base'