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Blood

Created: 5/4/2004
Updated: 30/7/2009
 

Donors

Approximately 17 million units of blood are donated in Europe each year. Each unit is screened for antibodies to:

 Syphilis
 Hepatitis B and C
 HIV 1 and 2
 +/- CMV

Blood groups

The most well known and medically important blood types are in the ABO group.  This was discovered in 1900 and 1901 at the University of Vienna by Karl Landsteiner, in the process of trying to learn why blood transfusions sometimes cause death and at other times save a patient.  Thirty years later, he belatedly received the Nobel Prize for this discovery.

Blood Group
Antigens on RBCs
Antibodies in serum
A (42%)
A
Anti-B
B (8%)
B
Anti-A
AB (3%)
A and B
Neither
Universal recipient
O (47%)
Neither
Anti-A and anti-B
Universal donor

ArticleDate:20040405
SiteSection: Article
 
   
    
                                            
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