Table 1 Registered routes of transmission of acute and chronic hepatitis B, Norway 1992-2009
From: Epidemiology of acute and chronic hepatitis B virus infection in Norway, 1992-2009
Acute hepatitis B | Chronic hepatitis B | |||
|---|---|---|---|---|
Route of transmission | Total reports | % | Total reports | % |
IDU | 1963 | 64.3 | 415 | 4.2 |
Sexual activity: | 718 | 23.5 | 408 | 4.2 |
heterosexual | 207 | 28.8 | 8 | 0.1 |
homosexual | 79 | 11.0 | 10 | 0.1 |
Sexual, unspecified | 432 | 60.2 | 390 | 4.0 |
Mother-to-child | 7 | 0.2 | 471 | 4.8 |
Nosocomial | 7 | 0.2 | 20 | 0.2 |
Blood/transplantation | 4 | 0.1 | 81 | 0.8 |
Needle stick | 30 | 1.0 | 19 | 0.2 |
Other | 21 | 0.7 | 174 | 1.8 |
Unknown | 303 | 9.9 | 8212 | 83.8 |
Total: | 3053 | 100 | 9800 | 100 |