Blood Groups - Rhesus positive - ABO grouping

blood group  The International Society of Blood Transfusion Working Party for Red Cell Immunogenetics and Blood Group Terminology maintains an official ABO blood group system, classification of human blood as determined by the presence or absence of A and B antigens on red blood cells

ABO blood group system, classification of human blood as determined by the presence or absence of A and B antigens on red blood cells  What are the rarest blood types? · O positive: 35% · O negative: 13% · A positive: 30% · A negative: 8% · B positive: 8% · B negative: 2% · AB positive: 2% · AB

ABO blood group system, classification of human blood as determined by the presence or absence of A and B antigens on red blood cells  Rhesus negative must be confirmed with D-antigen typing, weak D group were considered as Rhesus positive blood group All reagents were used according to