We're kicking off the holiday season early this year courtesy of the mneumonic 'DEcK' that stands for the major HDFN red blood cell antigens 'bad players' - D, big E, little c, and Kell. This week Dr. Moise talks about some of the more common red cell antigens and also the not so common. We wrap up our discussion on antigens using a dalmation analogy to help describe weak D.