Most Rare blood type in world

At 2% of blood donors, this Rhesus (Rh) blood group subtype is rare.

Only 0.1% to 1% of people have Kell-negative blood.

The "Bombay phenotype," or hh, is found in less than 0.001% of the global population.

RhnulL

One in six million persons are believed to have this exceedingly unusual blood type.

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Most Rare blood type in world

By Emily Blake

At 2% of blood donors, this Rhesus (Rh) blood group subtype is rare.

Ro subtype

1.

RO

Only 0.1% to 1% of people have Kell-negative blood.

Kell negative

2.

KEll -

The "Bombay phenotype," or hh, is found in less than 0.001% of the global population.

Bombay (hh)

3.

HH

RhnulL

4.

RH

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Most common blood type in world