Viral Hepatitis | Route of transmission | Antigen / Antibody | Appear (incubation period) | Antigen/Antibody Disappears | Virus structure | Stage of Disease |
Hepatitis A | Feco-oral and sexual | HAV-IgM | 4 to 6 weeks | 3 to 4 months | 27-nm RNA virus | Acute infection |
|
| HAV-IgA | 8 to 12 weeks | 10 years |
| Previous infection |
Hepatitis B | Parenteral, sexual | HBsAg | 4 to 12 weeks | 1 to 3 months | 42-nm DNA virus | Acute HBV infection |
|
| HBsAb | 3 to 4 months | 6 to 10 years |
| Immunity to HBV infection |
|
| HBeAg | 1 to 3 weeks | 6 to 8 weeks |
| Acute HBV infection |
|
| HBeAg | 4 to 6 weeks | 4 to 6 years |
| End of acute HBV infection |
|
| HBc IgM | 2 to 12 weeks | 3 to 6 months |
| Acute HBV infection |
|
| HBcAb-Total | 3 to 12 months | for life |
| Recovery, or previous infection |
Hepatitis C (HCV) | Parenteral, sexual | HCV-Ag | 2 to 12 weeks | persists | 30 to 60-nm RNA virus | Acute or chronic infection |
|
| HCV-IgG | 3 to 4 months | 2 years |
| past infection |
Hepatitis D (HDV) | Feco-oral, sexual, and parenteral ? | HDV- Ag | 1 to 3 days | 3 to 5 days | 36-nm RNA virus | Acute infection |
|
| HDV-IgM | 10 days | 1 to 3 months |
| Acute infection |
|
| HDV-Ab total | 2 to 3 days | 7 to 14 months |
| Chronic HDV infection |
Hepatitis E (HEV) | Feco-oral | Anti-HEV | 15 to 60 days |
| 32-nm RNA virus | Severe in pregnant females,
|
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