Blood Spatter

  • 2500 BCE

    Blood letting

    Blood letting
    Egyptians used blood letting to try to cure disease
  • 500 BCE

    Arteries and Veins

    Arteries and Veins
    Greeks distinguished between arteries and veins.
  • Anton van Leeuwenhoek

    Anton van Leeuwenhoek
    Viewed blood cells under a microscope.
  • Blood transfusion

    Blood transfusion
    The first blood transfusion performed.
  • Karl Landsteiner

    Karl Landsteiner
    Discovered three blood types: A,B,O.
  • Alfred Decastello

    Alfred Decastello
    Discovered fourth blood type:AB.
  • Percy Oliver

    Percy Oliver
    Established the first blood donor service.
  • Mayo Clinic

    Mayo Clinic
    Developed a method to store blood for transfusions.
  • Dr.Bernard Fantus

    Dr.Bernard Fantus
    Established the first blood bank.
  • Karl Landsteiner

    Karl Landsteiner
    Discovered the Rh protein.
  • AIDS

    AIDS
    First case of AIDS recorded in the Congo.
  • Robert Gallo

    Robert Gallo
    Identified the virus causing AIDS.
  • ELISA

    ELISA
    Development of ELISA test to screen for diseases such as HIV by detecting and measuring antibodies in blood.
  • Blood-screening

    Blood-screening
    Scientists began developing blood-screening tests for infectious diseases.