一场病毒引起的疾病使她走路十分困难。
临床信息，尤其是来自墨西哥的信息，说明这种病毒也可引起严重疾病和死亡。
Clinical information, especially from Mexico, indicated this virus also could cause severe disease and death.
麻疹是病毒引起的传染性极强的严重疾病。
Measles is a highly contagious, serious disease caused by a virus.
病毒是引起疾病的极小微生物。
Viruses are extremely tiny microorganisms that cause disease.
因此，我怀疑这是一种病毒，这种疾病是由细菌引起的。
So I doubt that this is a virus; this disease is caused by bacteria.
病毒感染引起多种疾病，严重危害人类的健康和生命。
Virus infection causes many kinds of diseases doing great harm to human health and life.
禽流感是由A型流感病毒引起的传染性疾病。
Bird flu is a contagious disease caused by TYPE a flu virus.
人们发现该疾病是由一种以前未知的麻疹病毒所引起。
The disease was found to be caused by a previously unknown morbillivirus.
人们发现该疾病是由一种以前未知的麻疹病毒所引起。
The disease was found to be caused by a previously unknown morbillivirus.
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