Subscribe to our newsletter • Don’t miss out!

If you’ve worked in a blood bank long for any amout of time, you’ve probably seen an anti-Fyᵃ or two show up in an antibody panel. It’s one of those “frequent flyers” that gets respect in serology but doesn’t always get the spotlight it deserves. Yet, behind that simple reaction at AHG lies one of the most fascinating stories in human genetics — a blood group system whose absence changed the way humans survived malaria. The Science Behind the Name FY1, belongs to the Duffy bl

If you’ve been following our Kell-Kelce Family Saga , you already know the lineup: K (KEL1)  — our Taylor Swift , the star everyone talks about. k (KEL2)  — Travis Kelce , dependable, loyal, always shows up. Kpᵃ (KEL3)  — Donna Kelce , not the star but notable when she shows up. And now… it’s time for Kpᵇ (KEL4)  — our very own Ed Kelce. On paper, Ed the antigen looks straight forward. Kpᵇ (officially known as KEL4 ) is a high-frequency antigen found on almost everyone’s re

Every famous family has a matriarch — and in the Kell system, her name is Kpᵃ (KEL3) . She’s rare, refined, and the reason we learned...

When it comes to transfusion medicine, KEL2 (little k) doesn’t need the spotlight — it is  the spotlight. Present in more than 99% of...