Because of it's universal nature, O Negative is the blood group used in emergencies and cases where time is too precious to test the patient's blood group. This means that it's in high demand, but with few people carrying the blood, and even less of them donating, O Negative is usually in short supply.
As one of the 7% of the population who has O Negative blood, my mum has always donated whenever there has been a blood drive near. And now that I am 17 and able to give blood, I am too.
Today, I went along to my local blood drive and gave a pint of my blood. I have no idea where it will end up, but I know it will be helping someone who needs it.
If you want to find your local blood drive, whether you're O Negative or not (every drop is put to good use) you can search here.
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