Table II.
Microbiological Threats to the Blood and Factor Concentrate Supply
| Agent | Present in blood?a | Infectious? | Disease causing? |
|---|---|---|---|
| HIV | Yes | Yes | Yes |
| HCV | Yes | Yes | Yes |
| HBV | Yes | Yes | Yes |
| HAV | Yes | Yes | Uncertainb |
| PB19 | Yes | Yes | Uncertainc |
| TTV | Yes | Yes | Uncertain |
| HGV | Yes | Yes | Uncertain |
| WNV | Yes | Yes | Yes |
| SENV | Yes | Yes | Uncertain |
| VCJG | Yes | Yes | Yes |
| SARS | Uncertain | Yes | Yes |
| AFV | Uncertain | Yes | Yes |
a
The risk with recombinant products is minimal or absent.
b
The consequences of long‐term infection are not well understood nor is the interaction with other hepatis viruses.
c
Certain people such as pregnant women, newborns and people with hemolytic anemia are at risk for red cell aplasia. The long‐term consequences of infection at an early age are not known.
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