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The Labile Blood Products (LBP) preparation service works simultaneously with the Biological Qualification of Donation (QBD) laboratory, in order to make LBPs available to healthcare establishments as quickly as possible. It is located downstream of collection and upstream of distribution.

Biological qualification of blood donation (QBD)

Objectives of the QBD

The Biological Qualification of the Donation (QBD) has several objectives

Ensure the recipient's safety with respect to risks related to immuno-haematological compatibility and blood-borne diseases
Participate in informing the donor when anomalies or particularities are highlighted during his analyzes
Conduct investigations of abnormal donor results
Participate through the biological results collected in public health missions (epidemiology)

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Serological tests

The screening tests carried out in the biological qualification of the donation (QBD) laboratories include serological tests (search for specific antibodies directed against an infectious agent or search for antigen) and tests for the detection of viral genomes (DGV).

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Viral Genome Screening (VGD)

A virus is an intracellular germ which is characterized by its inability to reproduce by division, and therefore requires a host cell for its multiplication. It is composed of a nucleic acid molecule (either DNA or RNA, single or double stranded, linear or circular, mono or polysegmented) surrounded by a protein shell called the capsid, and sometimes a envelope. Viral Genome Screening (VGD) involves looking for the nucleic acid of viruses.

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Immunohematology

The biological qualification of the donation in immuno-haematology determines the immuno-haematological characteristics (blood grouping, search for anti-erythrocyte antibodies and detection of immune anti-A and anti-B antibodies) of the donation, on the basis of the biological analyzes required by applicable regulations.

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