If a donor is positive for hepatitis C virus by nucleic acid testing,why is the process of "look-back" initiated?
A) To quarantine units in the blood center that may exist from prior donations from the inventory
B) To notify recipients who may have previously received blood from this donor
C) To locate and quarantine units sent to transfusion facilities from this donor in the past
D) All of the above

Question

Quizplus · Accepted Answer

The purpose of look-back is to locate and quarantine current and previously donated units from a donor who tests positive for either hepatitis,HIV,West Nile virus,or Chagas disease.It also notifies the recipients of units that were transfused.Because test methods have become more sensitive,viral contaminants in prior donations may not have been detected.The process of look-back avoids additional cases of viral transmission.

If a Donor Is Positive for Hepatitis C Virus by Nucleic