In humans, blood groups are divided into many types and each type has its own characteristics. If the blood group is not properly transfused, it can disrupt the structure of the blood vessels, endangering the life of the person receiving the blood. The following article will help you better understand the characteristics of blood groups and how to classify them.

Blood type is a group of red blood cells and is determined based on the characteristics of each different antigen. Blood type is inherited from father and mother, in fact there are many different blood types but so far only 2 types of blood types are widely used. So what determines blood type in humans?

The ABO blood group system is one of the two most important blood group systems in blood transfusion. The ABO blood group system consists of four blood groups: A, B, O and AB, with different distribution rates in the community for each race. In Vietnam, these rates are: group O is about 45%, group B is about 30%, group A is about 20% and group AB is about 5%.

Blood transfusion has become a common treatment method to maintain the lives of patients with anemia, or in surgical support... But few people know that in order to carry out this seemingly normal work, scientists in the past had to spend a lot of effort conducting risky experiments to find the principles of blood transfusion. The story of the birth of the Blood Transfusion Hematology industry is associated with thrilling experiments that have caused the death of many people.