中文摘要：

<正>Dear Editor,Grass carp reovirus(GCRV),a member of the genus Aquareovirus in the family Reoviridae(Attoui H,et al,2002),is one of the most virulent aquareoviruses iden-tified so far,leading to high fatality rates(up to 85%)of fingerlings and yearlings of grass carp(Fang Q,et al,2007).No commercial vaccines against GCRV infection have been developed as yet.

英文摘要：

Grass carp reovirus（GCRV）,a member of the genus Aquareovirus in the family Reoviridae（Attoui H,et al,2002）,is one of the most virulent aquareoviruses iden-tified so far,leading to high fatality rates（up to 85%）of fingerlings and yearlings of grass carp（Fang Q,et al,2007）.No commercial vaccines against GCRV infection have been developed as yet.