Glossary: Weak D Phenotype

Glossary Weak D Phenotype The main Rh antigen (the one that determines whether a person is “Rh-positive” or “Rh-negative”) is known to blood bankers as the “D” antigen. Most D-positive (“Rh-positive”) people express the...

Glossary: Lookback

Glossary Lookback A multistep process a blood establishment must complete as a response to a donor who is newly reactive for an infectious disease test. The whole idea behind lookback is to (guess what?) “look back” to find previously collected blood...

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