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[Genome shift of hepatitis E virus in Asia]
1Institute of Virology, Chinese Academy of Preventive Medicine, Beijing 100052.
Abstract:
Dideoxy chain termination method was applied to sequence hepatitis E virus structure gene of Asia isolates, cDNA sequence and amino acid residues were determined. The results showed that among Asia countries: Indian, Burma, China, Pakistan and Kirghiz Republic, Hepatitis E virus genome shifted within the range of 5% and amino acid residues shifted within 1% compared with Mexico isolate. Asia Hepatitis E virus isolates have limited genome shift, which suggests recombinant Hepatitis E vaccine based on Asia HEV gene might protect all HEV infection in this area.