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2500 BCE
Egypt
Egyptians use bloodletting to try and cure diseases. -
500 BCE
Ancient Greece
Greeks distinguished between arteries and veins. -
Netherlands
Anton van Leeuwenhoek viewed blood cells under a microscope. -
England
First blood transfusion performed. -
Vienna, Austria
Karl Landsteiner discovered three blood types: A, B, O. -
Vienna, Austria
Alfred Decastello discovered the fourth type: AB. -
London
Percy Oliver established the first blood donor service. -
Minnesota, U.S.
Mayo Clinic developed a method to store blood for transfusions. -
U.S.
Dr. Bernard Fantus established the first blood bank. -
Austria
Karl Landsteiner discovers the Rh protein. -
The Congo
First case of AIDS reported -
U.S.
Robert Gallo identified the virus causing AIDS. -
U.S.
Development of the ELISA test to screen for diseases such as HIV. -
U.S.
Scientists began developing blood-screening tests for infectious diseases.