| Incubation Period (In days) |
15-60 |
45-160 |
14-180 |
42-180 |
15-64 |
| Enteric Transmission |
Yes |
No |
No |
No |
Yes |
| Perinatal Transmission |
Rare |
Yes |
Yes |
Yes |
No |
| Post-transfusion incidence (%) |
None |
0.002 |
1-4 |
N/A |
None |
| Viremia |
Transient |
Prolonged |
Prolonged |
Prolonged |
Transient |
| Fecal extraction of virus |
+ |
- |
- |
- |
+ |
| Onset |
Abrapt |
Insidious |
Insidious |
Abrupt |
Abrupt |
| Asymptomatic |
Most Children |
Most Children;
50% Adults |
~75% |
Rare |
Often |
| Jaundice |
Child: 10% Adult: 70-80% |
15-40% |
10-25% |
Varies |
25-50% |
| Fulminant |
1% |
0.2-2.0% |
~0.5% |
High |
May cause one-third of fulminant cases |
| Carrier State |
No |
Adult: 6-10%; Child:25-50% Infant: 70-90% |
50-70%; |
10-15%; |
No |
| Chronic Hepatitis |
No |
5-10% of acute infection |
>50% |
>5% co-infection
80% Super infection |
No |
| Hepatocellular Mortality |
1-2% |
1-2% |
1-2% |
≤ 30% in chronic cases |
Unknown |