The rarest blood type is called Rhnull. Only around 1 in every 6 million people have Rhnull blood. Learn about other blood types and their compatibilities in this article.

Incredible charts show link between your blood type and where you live in the world New research shows a fascinating correlation between where you live and the blood group you are most likely to have.

As the chart shows, if you have the type AB+, you have the luxury of being able to accept all blood types, whereas somebody with O- is severely restricted, only actually able to receive O- blood.

The extremely rare blood type has been discovered in Jiangsu. According to Cao Guoping, a doctor from Taixing People's Hospital, the results of gene sequencing in this case are not consistent with ...