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Egyptians tried to use bloodletting to cure diseases.
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They were able to distinguish the difference between arteries and veins.
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Anton van Leeuwenhoek viewed blood cells under a microscope.
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The first blood transfusion was performed.
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He discovered that there were three different blood groups - A, B,O
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Alfred Decastello discovered there was another blood group which was AB.
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Percy Oliver created the first blood donor opportunity/service.
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The Mayo Clinic developed a way to store blood for future blood transfusions.
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Dr. Bernard Fantus established the first ever blood bank.
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Karl Landsteiner discovered that there was something called an Rh protein in certain blood cells.
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The first ever medical case of AIDS was reported in the Congo.
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Robert Gallo identified the virus which causes AIDS.
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There was a development in ELISA which allowed doctors to screen the blood for diseases like HIV/AIDS.
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Scientists started to develop blood-screening tests to look for infectious diseases.
