louping ill virus

例句：

1. 1. The researchersfound that the louping ill virushad mutated to become more virulent.
   研究人员发现，拉普病病毒已经变异成了更具传染性的毒株。
2. 2. Theoutbreak of the louping ill virushas caused widespread concern among the public.
   拉普病病毒的爆发引起了公众的广泛关注。
3. 3.The louping ill virus is aserious threat to public health, and itis crucial to prevent its spread.
   拉普病病毒对公共卫生构成严重威胁，预防其传播至关重要。