1·She has just recovered from a severe illness.
她大病初愈。
—— 《新英汉大辞典》
2·It is not a severe illness.
这不是一种严重的疾病。
3·However, some people with swine flu get more severe illness.
然而，某些人感染猪流感会得很严重疾病。
4·H1N1 is causing more severe illness than normally seen, experts say.
专家称h1n 1流感正在引发比实际看到的更严重的疾病。
5·Some are still in the hospital with very severe illness, Schuchat said.
Schuchat表示，一些病患仍然患有严重患病，还在医院进行治疗。
6·Hepatitis a is a viral liver disease that can cause mild to severe illness.
甲型肝炎是一种病毒性肝脏疾病，它可造成轻度或严重疾患。
7·He explained that severe illness in newborns tends to kill the babies quickly.
他解释说，新生儿的严重疾病经常会导致他们迅速死亡。
8·But influenza can cause severe illness or death in people at high risk (see below).
但流感可在高危人群中造成严重疾病或死亡(见下文)。
9·Risk factors don't mean you will definitely have more severe illness from swine flu.
危险因素不意味着你感染猪流感就一定有很严重疾病。
10·Symptoms range from mild to severe; 20-50% of those with severe illness will die of the disease.
症状从温和到恶性都有。 20-50%的严重疾病患者将死于该病。