These antibodies work against the measles virus.
这些抗体能抗麻疹病毒。
When lots of children have been vaccinated, less measles virus is spread around.
党有很多儿童被接种，有极少的麻疹病毒传播。
Conclusion The attenuated measles virus strain is different from strong virus strain.
结论麻疹病毒的减毒株与强毒株存在差异。
Measles is a highly contagious, serious disease caused by a virus.
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.
麻疹是病毒引起的传染性极强的严重疾病。
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