Table 1.
Disease burden from viral hepatitis in the US in 2006.
| Virus | Infections
|
Comment | |
|---|---|---|---|
| New | Chronic | ||
| A (HAV) | 32,000* | none | No chronic disease; one-third of persons in the United States have evidence of past HAV infection |
| B (HBV) | 46,000* acute | 1.25 million acute | About 5 percent of persons in the United States have evidence of past or current HBV infection |
| C (HCV) | 19,000* | 3.2 million | About 1.6 percent of Americans have evidence of past or current HCV infection |
| D (HDV) | Unreliable | Only concurrent with HBV infection | |
*
Estimated new infections in 2003. Data are influenced by annual incidence fluctuations and variable estimates of unreported and/or undiagnosed cases.