Understanding Blood Types: Rare Groups Beyond ABO and Rh Factor Explained

Understanding Blood Types: Rare Groups Beyond ABO and Rh Factor Explained

ByNews Polite

Blood types, a critical factor in transfusion medicine, have been studied extensively since the early 20th century. The ABO blood group system, established by Austrian immunologist Dr. Karl Landsteiner in 1901, introduced the understanding of four main blood types: A, B, AB, and O. These discoveries, which earned Landsteiner the…