Hepatitis E Virus

Hepatitis E Virus

Structure of Hepatitis E Virus HEV is classified in the Calciviridae family because of its structural similarity to other calciviruses; however, it is now the sole member of the Hepeviridae family. The virus is non enveloped (naked) with icosahedral symmetry measuring 27-30 nm diameter. The genome is single stranded RNA genome with positive polarity and measure … Read moreHepatitis E Virus

Structure and Genome of Hepatitis E Virus

Structure and Genome of Hepatitis E Virus

Hepatitis E virus, discovered in 1983 by immune electron microscopy and first cloned in 1990. Structure of Hepatitis E Virus HEV is classified in the Calciviridae family because of its structural similarity to other calciviruses; however, it is now the sole member of the Hepeviridae family. The virus is non enveloped (naked) with icosahedral symmetry measuring 27-30 … Read moreStructure and Genome of Hepatitis E Virus

Hepatitis A Virus

Clinical Manifestations of Hepatitis A Virus

Structure of Hepatitis A Virus HAV (Hepatitis A Virus) is a distinct member of the picornavirus family, assigned to genus hepatovirus. HAV is a 27 nm to 32 nm spherical particle with icosahedral symmetry containing a linear single-stranded RNA genome with a size of 7.5 kb and non-enveloped. Hepatitis A virions have a primary buoyant density … Read moreHepatitis A Virus

Hepatitis C virus

Hepatitis C virus

Structure of Hepatitis C virus Hepatitis C virus (HCV) is a RNA virus belonging to the family Flaviviridae, genus Hepacivirus. The HCV virion is 55-65 nm in diameter containing in it a 9.6 kb positive sense single-stranded RNA genome composed of a long open reading frame (ORF) flanked by untranslated regions (UTR’s) at both the ends. … Read moreHepatitis C virus