Hepatitis A virus: (infectious hepatitis):
Properties:
1. It is a member of picorna group of enterovirus
2. Single stranded RNA virus with one serotype
3. Non-enveloped, Icosahedral nucleocapsid
4. Replicate in the cytoplasm, inactivated by heat
5. HAV is highly infectious and spread by the faeco-oral route
NOTE: Infected individuals also may be asymptomatic, excrete the virus in faeces for about 2-3 weeks before the onset of symptoms and then for a further 2 weeks or so.
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Structure of Hepatitis A virus |
Properties:
1. It is a member of picorna group of enterovirus
2. Single stranded RNA virus with one serotype
3. Non-enveloped, Icosahedral nucleocapsid
4. Replicate in the cytoplasm, inactivated by heat
5. HAV is highly infectious and spread by the faeco-oral route
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Some facts about Hepatitis A virus |
NOTE: Infected individuals also may be asymptomatic, excrete the virus in faeces for about 2-3 weeks before the onset of symptoms and then for a further 2 weeks or so.