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Started around 2500 B.C. and they would attach a leech to the wound so it would help drain the disease from the individual.
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Greeks distinguished between arteries and veins.
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Anton van Leeuwenhoek invented the microscope.
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The first blood transfusion happened. Later on in 1935, Mayo Clinic would develop a method to store blood for transfusions.
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Karl Landsteiner discovered three blood types A,B,O. Later on in 1902, Alfred Decastello discovered fourth blood type AB.
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Percy Oliver established the first blood donor service.
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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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The first recorded case of AIDS was in the Congo. in 1984, Robert Gallo identified the virus causing AIDS.
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Development of ELISA test to screen for diseases such as HIV. In 1987, scientists began developing blood-screening tests for infectious diseases.
