
| Blood Transfusion Services Impact Model and Manual (UNAIDS, 1999, 29 p.) |
| 4. Model inputs |
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Inputs describing the levels of blood wastage before and after the intervention, either because 1) it tests negative for HIV infection, but positive for other diseases; 2) was discarded after being in storage for distribution having been tested, or 3) was discarded after being in storage for distribution, not having been HIV tested.

Figure