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Blood Products - Viruses

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As a result of universal leucodepletion, there is no need to use high-efficiency filters at the bedside or to request CMV negative products for oncology patients.

Risk of viral transmission

Parents often worry about the safety of blood products. The following table provides an estimate of risk:

Infection1  Window period (days)  Residual risk (/106 donations)
HIV  0.4 
HCV  0.4 
HBV 45 1.1
vCJD  Possible, but not yet reported in NZ


  1. NZBS Transfusion medicine handbook 2008.

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Document Control

  • Date last published: 20 April 2016
  • Document type: Clinical Guideline
  • Services responsible: National Child Cancer Network
  • Owner: Siobhan Cross
  • Review frequency: 2 years