Abethect: Objective To analyze and compare the nucleotide sequences of whole gene of at222(weak) and AT31(strong) strains of Japanese encephalitis (JE) virus and explore the amino acids reIated tothe pathogenicity of JE virus.

• 目的 分析比较乙脑病毒弱毒株at222与其强毒株AT31全基因核苷酸序列，探索与乙脑病毒病原性相关的氨基酸。