The History of blood.

Egyptians

2500 BCE

The Egyptians used bloodletting to try to cure diseases.

Distinction of veins and arteries.

500 BCE

The Greeks made a distinction between arteries and veins.
Veins can carry oxygenated blood from the heart to various parts of the body while the arteries carry deoxygenated towards the blood.

Anton Van Leeuwenhoek

1659

Anton Van Leeuwenhoek viewed the first blood cells under a microscope.

First transfusion

1795

First blood transfusion was performed; it is an act of transferring donated blood, blood products or other fluid into the circulatory of a person.

discovery of blood types

1901

Karl Landsteiner discovered three blood types : A, B and O.

Discoverry of AB blood type.

1902

Alfred Decastillo discovered the fourth blood type : AB.

First blood donor service

1922

Percy Oliver established the first blood donor service

Mayo Clinic

1935

They developed a method to store blood for transfusion.

first blood bank

1937

Dr. Bernard established the first blood bank.

Discovery of the Rh protein.

1940

Karl Landsteiner discovered the Rh protein. It explained a common medical disorder known as " erythroblastosis fetalis ". Women with Rh-negative pregnant with a Rh-positive baby could create complications during the second pregnancy.

First case of AIDS.

1959

First case of AIDS recorded in Congo. HIV is a virus that attacks the immune system and destroys T-helper cells, and makes copies of itself inside those cells. Aids is thus the result of HIV.

Robert Gallo

1984

Robert Gallo identified the virus causing AIDS.

ELISA

1985

Development of ELISA test ( enzyme linked immune absorbent assay ) to screen for diseases such as HIV by detecting and measuring antibodies in blood.

blood-screening tests

1987

Scientists began developing blood-screening tests for infectious diseases.