(an) illness of people, animals, plants, etc., caused by infection or a failure of health rather than by an accident

a contagious/infectious disease 传染病

a common/rare/incurable/fatal disease 常见病／罕见疾病／绝症／致命疾病

They reported a sudden outbreak of the disease in the south of the country. 他们报告说该国南部地区突然爆发了这种疾病。

The first symptom of the disease is a very high temperature. 这种病的最初症状是高烧。

She has caught/contracted (= begun to have) a lung disease/disease of the lungs. 她患上了肺病。

Starvation and disease have killed thousands of refugees. 饥饿和疾病夺去了数千名难民的生命。

something that is considered very bad in people or society

The real disease affecting the country is inflation. 影响该国的真正恶疾是通货膨胀。