Luckily, I knew off the top of my head that I'm type O-positive ... There are also Rhesus (Rh) antigens, which determine if blood is "positive" or "negative." If you have Rh proteins on the ...

The O blood group lacks any antigens while group ... Similarly, its absence characterizes the Rh-negative blood group. Of the ...

It's a bit simplistic, but you can think of the Rh factor as a protein that is either present (positive) or absent (negative) on red blood cells. Exact percentages vary with race, but most people ...

Additionally, there is a protein called "the Rh factor," which can also ... A positive, A negative, B positive, B negative, O positive, O negative, AB positive and AB negative, says the Red ...

The American Red Cross has an urgent need for blood donors of all types, especially O negative, A negative and B negative, as fewer donations than expected were given in the first half of summer.

The following Red Cross bloodmobiles will be in the area soon: * 1 to 7 p.m. Tuesday, May 1, at Winsted Fire Hall, 431 Sixth St. S. Winsted. * 1 to 7 p.m. Wednesday, May 2, at the Panther Field ...