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The Egyptians tried bloodletting as a cure for disease
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Greeks distinguished veins between arteries and veins.
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Anton Van Leeuwenhoek viewed blood cells under microscope.
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First blood transfusion performed.
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Karl Landsteiner discovered the three blood types A,B, and O.
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Alfred Decastello discovered the 4th 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 Landstein discovered the Rh protein.
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First case of ADS 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 screen tests for infectious diseases.