What type of blood would be more useful, AB blood, which is rare, or O blood, which is the universal donor? In other words, what are blood banks in greater need of?

1 Answer
Dec 3, 2016

Most useful blood is your own blood group.

Explanation:

When blood is required you need your blood group. Blood group O is universal doner and AB blood group person can receive blood of any group is just a clinical compatibility. In blood banks blood of same group is made available.
Blood banks need blood of all groups. There is regional variation in statistics of blood group. A blood group is common in US population. In oriental region B blood group is common. O blood group is having 20% frequency. Same is true with AB.