Blood group O negative is the universal donor blood type. This means that people with this blood type can donate blood to people with any blood type. People with blood type O negative are often called “universal donors” because their blood can be used in emergency situations when there is no time to find a compatible blood type.
Blood type is determined by the presence or absence of certain antigens on the surface of red blood cells. Antigens are proteins that the body’s immune system can recognize. If a person receives blood that contains antigens that their body does not recognize, their immune system will attack the blood cells, which can lead to serious health problems.
People with blood type O negative do not have any antigens on their red blood cells. This means that their blood can be safely given to people with any blood type, regardless of their own blood type. This is because the body’s immune system will not recognize the antigens on the donor blood cells as foreign.
Blood type O negative is the rarest blood type in the world. Only about 7% of people have this blood type. However, it is the most important blood type because it can be used in emergency situations when there is no time to find a compatible blood type.
If you have blood type O negative, you are a very important part of the blood donation community. Your blood can save lives, so please consider donating blood if you are eligible.