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2500 BCE
Bloodletting
Egyptians used bloodletting to try to cure diseases. -
500 BCE
Arteries/veins
Greeks distinguished arteries and veins. -
Microscope
Anton Van Leeuwenhoek viewed blood cells under a microscope. -
Blood Transfusion
First blood transfusion performed. -
Blood Types
Karl Landsteiner discovered three blood types: A, B, O -
Fourth Blood Type
Alfred Decastello discovered fourth blood type: AB -
Blood Donor
Percy Oliver established the first blood donor service. -
Blood Storage
Mayo Clinic developed a method to store blood for transfusions. -
Blood Bank
Dr. Bernard Fantus established the first blood bank. -
Rh
Karl Landsteiner discovered the Rh protein. -
AIDS
First case of AIDS recorded in the Congo. -
AIDS Virus
Robert Gallo identified the virus causing AIDS. -
ELISA
Development of ELISA test (enzyme-linked immunosorbent assay) to screen for diseases such as HIV by detecting and measuring antibodies in blood. -
Blood Screening
Scientists began developing blood-screening tests for infectious diseases.