A new discovery was made  to convert one blood group into another.The study conducted by some experts from University of Copenhagen. O bllod group can be a source for all the other blood types (A, B and AB).

Transfusion of a  wrong blood type can causes severe clumping of transfused cells and possible arterial or venous blockage in severe cases result in death. Now all blood groups can be converted into one O group and used furthermore.

The classical ABO blood groups were discovered by Karl Landsteiner in 1900 and have been utilized in clinical medicine quite frequently over the past century, first in rudimentary paternity tests, and later to ensure the safety of patients undergoing blood transfusions.