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2500 BCE
Bloodletting
The usage of leeches began roughly around 2500 BC. This was conducted in order to cure diseases. -
500 BCE
Arteries/Veins
Greeks were the ones to discover the differences between arteries and veins. -
Anton van Leeuwenhoek
The man to first view blood cells under a microscope. -
First Blood Transfusion Performed
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Karl Landsteiner
Grew more popularity for discovering the A, B, and O bloodtypes. -
Alfred Decastello
Responsible for discovering the fourth blood type, which is AB. -
Percy Oliver
Established the first ever blood donation service -
Mayo Clinic
Developed a method of storing blood for transfusions. -
Dr. Bernard Fantus
Created the first blood bank. -
Karl Landsteiner (again)
Landsteiner returns with the discovery of the Rh protein! -
AIDS
First case was recorded in the Congo -
Robert Gallo
Identified the virus, HIV, that was causing AIDS -
ELISA
Test was developed to identify HIVs -
Infectious Diseases
Blood-test screenings were developed to search for infectious diseases.