Objective To observe the protective effict of hepatitis E virus(HEV)ORF 2 recombinant protein expressed in prokaryote cell cynomolgus macaques(cynos)against challenging with wild-type HEV.

• 目的观察基因重组戊型肝炎病毒(HEV)结构蛋白对恒河猴戊型肝炎野病毒攻击的保护作用。