TABLE 1.
Serodiagnosis of acute non-B hepatotropic virus superinfection in chronic HBsAg carriers
| Diagnosis | Test | Assay name, source, and reference(s) | Criterion |
|---|---|---|---|
| Acute hepatitis A | IgM anti-HAV | HAVAB-M (Abbott Laboratories) (6) | Positive IgM anti-HAV |
| Acute hepatitis C | Anti-HCV | UBI-HCV enzyme immunoassay (United Biochemical, Inc.) (12, 25) | Positive HCV RNA with or without anti-HCV |
| HCV RNA | AMPLICOR HCV test (Roche Diagnostic Systems) (17) | ||
| Acute hepatitis D | IgG anti-HDV | Anti-delta (Abbott Laboratories) (20) | Positive IgM anti-HDV with IgG anti-HDV in titers of less than 1:100 (11) |
| IgM anti-HDV | Deltassay IgM (Cambridge Biotech, Dublin, Ireland) (22, 23) | ||
| Acute hepatitis E | IgM anti-HEV | ELISAa (Genelabs, Inc.) (8) | Positive IgM anti-HEV |
a
ELISA, enzyme-linked immunosorbent assay.