即便如此，这株毒性特强、传染性甚高的流感病毒于1918~1919年肆虐全球，据信造成4000万人死亡。

即便如此，这株毒性特强、传染性甚高的流感病毒于1918~1919年肆虐全球，据信造成4000万人死亡。的英文翻译

基本释义

• Still, this particularly virulent and infectious strain of the flu virus is thought to have killed as many as 40 million people around the world between 1918 and 1919.