Term
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Definition
| Picornavirus with +RNA with VPg. |
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Term
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Definition
| Hepadnavirus with partially dsDNA |
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Term
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Definition
| Envelope flavivirus with +RNA transmitted parenterally and sexually or via infected needles |
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Term
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Definition
| Viroid-like agent transmitted through blood and sexual fluids. |
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Term
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Definition
Calcivirus-like +RNA virus transmitted through fecal-oral route.
No vaccine available |
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Term
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Definition
| Flavivirus, enveloped +RNA |
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Term
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Definition
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Term
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Definition
| Fulminant type rare, 80% mortality. |
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Term
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Definition
| Elevates ALT and AST, causes jaundice (ictericia) |
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Term
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Definition
Contagious before causing symptoms
High concentration in stool |
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Term
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Definition
| Transmitted via contaminated needles or sexual contact |
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Term
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Definition
| Infective particle is Dane particle |
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Term
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Definition
| S gene for envelope protein and C gene for capsid |
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Term
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Definition
| Surface antigen causes formation of immune complexes, and symptoms from cell-mediated immunity |
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Term
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Definition
| Envelope antigen is predictive of virulence |
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Term
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Definition
| Carrier state can allow virus to be shed for years if antibodies to envelope antigen do not develop |
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Term
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Definition
| Causes cancer by integrating into host DNA and activating cellular growth gene, which is also activated by liver regeneration due to cytotoxicity. |
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Term
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Definition
| Treatments are rarely effective, but vaccine is for 95% |
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Term
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Definition
| Cancer occurs by killing hepatocytes. Over-replication leads to carcinoma but it is not a retrovirus |
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Term
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Definition
| Only replicates in presence of HepB infection. Superinfection leads to rapid and severe symptoms |
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Term
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Definition
| Similar serologic course to HepB. Presence of HBsAg leads to fulminant hepatitis |
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Term
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Definition
| Asymptomatic or mild except in pregnant women |
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Term
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Definition
| Ingestion of contaminated food and water especially shellfish leads to disease |
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Term
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Definition
| Broad geographic distribution, spread through transfusions, needles, and sex. |
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