Sara, the rarest and the only new blood type in the world.

Sara is not the name of your prospective ex-girlfriend, but the type of blood type that was recently discovered in the medical world. Not a lie, let alone making up, besides blood type A, B, AB or O, which we are familiar with, there are still other types of rare blood groups called SARA. Curious, see full information.
This unique case occurred in 1990. It began when a girl from Australia named Sarah Culhane conducted a blood sample study by the Blood Service Blood Donor Foundation. The researchers were very surprised when they realized the blood donated by Sarah showed a strange reaction.

When conducting more in-depth research, the researchers found that sarah has a blood type that is fairly rare, it is said that it has a new type of antigen that is very different in all human blood antigens that have been encountered.

Feeling awkward with this finding, the study continued with Sarah Culhane's family. Initially thought that this unique phenomenon was only experienced by Sara and not her family, but after doing DNA sequencing (deoxyribonucleic acid) and antigen testing. The results of their blood from the mother's father and siblings resembled exactly the same as Sarah and not the normal type of blood type.

They also agreed to find the new blood type with the name SARA, taken from the name Sarah Culhane. This case was later documented in medical journals, and the researchers suspect that this was only experienced by the big family Sarah Culhane.

But the weirdness happened again in 2010, precisely in Canada. There is a pregnant woman who almost suffered a miscarriage, because the immune system protects the mother's body from attacking her fetus because the immune system considers the fetus in her stomach as a foreign and dangerous substance.

Then further research is conducted on the mother and child. The doctor's diagnosis was very surprising, because when they examined their blood samples they were not found at all with red blood cell antigens that function as triggers of the body's immunization system.

After that they finally sent the strange blood sample to Australia for laboratory blood tests. How surprised they are, if the sample of the fetus has a perfect resemblance to the type of blood type Sara.

And these findings reveal new medical medical facts, if it turns out there are still types of human blood type that we have never heard of at all, said Rhiannon McBean from Blood Service. He also added that they were still looking for links to other families who knew who also had this type of blood type.

However, of the 5 thousand blood samples that we conducted lab tests, all of them had normal blood type types like A, B, AB or O that we commonly encounter. So until now there are only 2 families that have a rare type of blood type Sara said Rhiannon McBean.
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