Bombay blood 

      hh or Bombay blood is a rare type of blood. This group first discovered in Bombay in 1952 by Dr.Y.M.Bhinde. This blood group mostly found in India sub-continent and parts of middle-East. 

People who have this phenotype can donate their Red blood cells to ABO types. But such rare blood group like Rh nill not accept this phenotype. This blood group people can donate only but other ABO type blood cannot receive to the people. 

In 2017 one columbian man wants to trans fuse the hh blood. The hh blood is important from Brazil for him. In India one person in 7,600 to 1,000 is bron with this type. This is rare type of blood they will take care of their health also.