The woman was preparing for surgery in a Paris hospital when doctors noticed something strange. Her blood didn’t match any ...

However, groups like MAL and the Er blood system, found in 2022, only impact a small number of people. “The work was difficult because the genetic cases are very rare,” Tilley explained.

However, groups like MAL and the Er blood system, found in 2022, only impact a small number of people. “The work was difficult because the genetic cases are very rare,” Tilley explained.

The blood type of B negative is also uncommon, occurring in "2% of Caucasian, 1% of African American, 0.4% of Asian and 1% of Latino American" populations, says the Red Cross.

Now, scientists from the University of Bristol and NHS Blood & Transplant have discovered a rare new blood group system, and in the process solved two 30-year-old cases of hemolytic disease on the ...

The importance of the blood groups in legal medicine is obvious. Besides the identification of persons, the ability to determine that blood is not from a particular person is very important ...

Red blood cells are complex — there's much more to blood types than A, B and O. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Many ...

Scientists have developed a way of converting one blood group into another. The technique potentially enables blood from groups A, B and AB to be converted into group O negative, which can be safely ...

Share on Pinterest A person’s blood type may fall into any of the 36 human blood groups. Getty Images People can define blood types using the ABO and Rhesus (Rh) blood group systems.

We now know why some blood is missing a key antigen—leading to the creation of a new blood-grouping system. Experts believe even more discoveries are on the way.

The four major blood groups are based on whether or not you have two specific antigens — A and B. Doctors call this the ABO Blood Group System. Group A has the A antigen and B antibody. Group B ...