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 ...

The Accelerate WAVE system is designed to provide rapid antimicrobial susceptibility testing (AST) directly from positive blood culture bottles and bacterial isolate colonies. The WAVE system is ...

However, because of the scarcity of RhD-negative blood components, particularly platelets, a policy was developed to transfuse RhD-positive blood components to RhD-negative patients during periods ...