ABSTRACT
Table 1. Comparison of Four Primary Hepatitis Viruses
Feature HAV HBV HDV HCV
Incubation, d 15-50 30-160 Unknown 14-160 Jaundice Common 30% of patients Common Uncommon Course Acute Acute or chronic Acute or chronic Acute or chronic Transmission Fecal-oral Parenteral Parenteral Parenteral Test for diagnosis IgM anti-HAV HBsAg Anti-HDV HCV RNA
source may not be found. The incubation period for HAV is 2 to 6 weeks.
