Epidemiology and Prevention of Hepatitis E
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چکیده
2. Hepatitis E virus (HEV) is a spherical, non-enveloped, positive-sense single-stranded RNA virus of approximately 32 to 34 nanometers in diameter. It was recognized as a new disease in 1980 and was originally classified within the family of Caliciviridae because of the morphological similarity. However, its genome was cloned and characterized in 1991 and it became the only member of the genus Hepevirus in the family of Hepeviridae.
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