These folks can also donate to A, B, and AB blood types. This is because O negative is Rh-negative. Type O negative blood is in extremely high demand at hospitals-not just because it’s one of the rarest blood types, but also because it’s the “universal donor.” O negative blood can be given to negative and positive blood types. Red cells of O negative type can be transfused to all 8 blood subgroups, which make it the most needed blood type for emergency transfusions. One striking fact about O negative blood is its universal nature. Type O negative: the ‘universal’ blood type Higher rates of O negative blood type are found in people from Spain, Iceland, New Zealand, and Australia. However, only 4% of Africans and Hispanics have this blood type, whereas only 1% of Asians are carriers of it. Scientific research has concluded that O negative blood is more common in Caucasians, at 8% of the population. The first interesting fact about O- Blood Type is that blood type varies by ethnic group. This article will discuss 5 interesting facts about O negative type in particular.ĥ Interesting facts about blood type O- 1. This can be the case during pregnancy or when a blood transfusion is taking place. Knowing which blood type a patient has can be a question of life or death. This enlarges the number of blood types to a total of eight: A+, A-, B+, B-, AB+, AB-, O+, and O.

This defines the presence (RH positive) or absence (RH negative) of a protein found just outside of the red blood cells. They can then be sub-categorized by their rhesus factor (Rh). The entire human population falls under four main categories of blood groups: types A, B, AB and O.

Blood in blood out memes