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The usage of leeches began roughly around 2500 BC. This was conducted in order to cure diseases.
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Greeks were the ones to discover the differences between arteries and veins.
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The man to first view blood cells under a microscope.
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Grew more popularity for discovering the A, B, and O bloodtypes.
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Responsible for discovering the fourth blood type, which is AB.
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Established the first ever blood donation service
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Developed a method of storing blood for transfusions.
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Created the first blood bank.
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Landsteiner returns with the discovery of the Rh protein!
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First case was recorded in the Congo
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Identified the virus, HIV, that was causing AIDS
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Test was developed to identify HIVs
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Blood-test screenings were developed to search for infectious diseases.
