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2500 BCE
Egyptians used bloodletting to try to cure diseases
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1659 BCE
Anton van Leeuwenhoak viewed blood cells under a microscope
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500 BCE
Greeks distinguished between arteries and veins
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First blood transfusion performed
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Karl Landsteiner discovered three blood types: A, B, O
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Alfred Decastello dicovered fourth blood type: AB
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Percy Oliver established the first blood donor service
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– Mayo Clinic developed a method to store blood for transfusions
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Dr. Bernard Fantus established the first blood bank
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– Karl Landsteiner discovered the Rh protein
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– First case of AIDS recorded in the Congo
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Robert Gallo identified the virus causing AIDS
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Development of ELISA test to screen for diseases such as HIV
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Scientists began developing blood-screening tests for infectious diseases
