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2500 BCE
Egyptians bloodletting
Egyptians used bloodletting to try to cure diseases. -
500 BCE
Arteries and Veins
Greeks distinguished between arteries and veins. -
Anton Van Leeuwenhoek and Blood Cells
Anton Van Leeuwenhoek viewed blood cells under a microscope. -
First Blood Transfusion
The first blood transfusion was performed. -
Discovery of Three Blood Types
Karl Landsteiner discovered three blood types: A, B, and O. -
Fourth Blood Type DIscovered
Alfred Decastello discovered the fourth blood type: AB. -
First Blood Donor Service
Percy Oliver established the first blood donor service. -
Method for Storing Blood Developed
Mayo Clinic developed a method to store blood transfusions. -
First Blood Bank Established
Dr. Bernard Fantus established the first blood bank. -
Discovery of Rh Protein
Karl Landsteiner discovered the Rh protein. -
Documentation of AIDS
The first case of AIDS was recorded in the Congo. -
Virus That Causes AIDS Discovered
Robert Gallo identified the virus causing AIDS. -
Development of ELISA
The ELISA test was developed to screen for diseases such as HIV. -
Blood-Screening for Infectious Diseases
Scientists began developing blood-screening tests for infectious diseases.