The Rh-null blood type is the rarest type of blood in the world. Researchers estimate that only 1 in 6 million people are born with it, and reportedly, fewer than 50 people are generally known to have ...

ABO blood groups are the most basic system of blood typing. This system divides blood into four groups – A, B, AB and O. The other main grouping used is the Rhesus (Rh) system, which is either ...

Fewer than 50 people on Earth do. Their veins carry Rh-null, an ultra-rare blood type experts say could help save countless lives. Now scientists are racing to grow it in a lab — a breakthrough that ...

One of the most important characteristics of blood is its type. Knowing your blood type is essential for several healthcare situations. Knowing someone's blood type is important for blood transfusions ...

Otherwise called Rh-null, the golden blood lacks all 61 antigens in the Rh system making the blood group rarest of all. In the last 56 years, only 43 have been detected with this rare blood group, ...