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2500 BCE
Egyptians use bloodletting to try and cure diseases
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500 BCE
Greeks distinguish between arteries and veins
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Anton van Leeuwenhoek viewed blood cells under a microscope
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first blood transfusion preformed
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Karl Landsteiner discovered blood types A,B, and O
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Alfred Decastello discovered fourth blood type, AB
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Percy Oliver established the first blood donor service.
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Mayo Clinic developed method to store blood for transfusions.
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Dr. Benard Fantus established the first blood bank.
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Rh protein was discovered by Karl Landsteiner
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First case of AIDS recorded in Congo.
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Robert Gallo identified virus causing AIDS
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Development of ELISA test to screen for diseases like HIV by detecting antibodies in blood
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Scientists began developing blood-screening tests for infectious diseases.