These four groups are further categorized based on whether a protein, called Rhesus (Rh) factor, is present on the surface of red blood cells. Each of the four main groups can be either Rh-positive (+ ...

A scientific statement regarding the diagnosis and management of blood culture-negative endocarditis has been published by the AHA.

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 ...

Houchin Community Blood Bank (HCBB) is urging residents to donate blood as local hospitals face a surge in demand.50 winners ...