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    • What Is the Rarest Blood Type?

      What Is the Rarest Blood Type?

      Verywell Health via Yahoo News· 3 days ago

      Rh null is an extremely rare type Medically reviewed by Steffini Stalos, DOMedically reviewed by Steffini Stalos, DO The rarest blood type in the world...

    • What to Know About Blood Typing

      What to Know About Blood Typing

      Verywell Health via Yahoo News· 10 months ago

      The blood type you have is categorized by certain substances on the surface of your red blood cells. Blood typing is a test to determine a person's ABO...