|  | 2006 | 2007 | 2008 | 2009 | 2010 |
---|---|---|---|---|---|---|
HIV | First-time donor | 1 | 3 | 2 | 1 | 1 |
 | Repeat donor | 2 | 2 | 2 | 1 | 2 |
 | Odds ratio | 0.4 | 1.8 | 1.4 | 0.8 | 0.8 |
HCV | First-time donor | 37 | 32 | 28 | 27 | 27 |
 | Repeat donor | 5 | 4 | 3 | 3 | 2 |
 | Odds ratio | 7.1 | 8.3 | 9.2 | 10.9 | 11.8 |
HBV | First-time donor | 672 | 588 | 512 | 451 | 396 |
 | Repeat donor | 48 | 30 | 13 | 11 | 20 |
 | Odds ratio | 14.0 | 19.3 | 38.6 | 41.4 | 19.6 |
Total | First-time donor | 710 | 622 | 542 | 479 | 424 |
 | Repeat donor | 56 | 36 | 18 | 15 | 24 |
 | Odds ratio | 12.8 | 17.4 | 29.9 | 32.2 | 17.5 |