What Is The Rarest Blood Type In Humans

Some of these blood types are extremely rare.

It is one of the world s rarest blood groups and people who carry this rare blood type can accept blood only from another bombay blood type individual and not from anyone who is o a b or ab type. You can say that among the abo types ab is the rarest blood type in humans. Rh null aka golden blood is the rarest blood type in the world with fewer than 50 43 to be exact known cases ever reported. While there are only eight main common blood types there are an additional 61 possible antigens in the rh system which means that the eight main blood types can be subdivided into millions of different blood types.

Kell b negative and vel negative blood types. Here s a breakdown of the most rare and common blood types by. However the second most rare blood type is not ab approx. In fact all the rh negative blood groups are rarer than the ab blood group.

Rhnull is the rarest blood type. The stanford school of medicine blood center ranks blood types in the united. Rhnull is the rarest of these. The american red cross define a blood type as rare when it occurs in fewer than 1 in 1 000 people.

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Therefore in general we can also say that rh blood types are rarer than rh blood types. By rachael rettner senior writer april 01 2019 in general the rarest blood type is ab negative and the most common is o positive. However in the united states ab negative is considered to be the rarest blood type and o positive the most common. Golden blood is actually the nickname for rh null the world s rarest blood type.

Bombay blood group one of the world s rarest blood groups a blood type few have heard of is called bombay blood group. For instance researchers estimate that just 1 in 6 million people have the rzrz blood type. As mosaic reports the type is so rare that only about 43 people have been reported to have it worldwide and until. Less than 1 percent of american donors are ab negative according to the american red cross.