👤 whose
Whose work led to the discovery of blood groups that made safe transfusions possible?
Quick Answer
Karl Landsteiner identified the ABO blood group system in 1901. His work made modern blood transfusions far safer.
The Full Story
Karl Landsteiner, an Austrian immunologist, discovered in 1901 that human blood could be divided into different groups based on how it reacted in the lab. He identified the ABO system, showing why some transfusions were dangerous and others were compatible. This breakthrough transformed surgery, emergency medicine, and transfusion practice. Landsteiner later shared the 1930 Nobel Prize in Physiology or Medicine for this work.
Key Facts
1.ABO blood groups were identified in 1901
2.Landsteiner won the Nobel Prize in 1930
3.The discovery explained transfusion reactions
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"The discovery that made blood transfusions safe"
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