Why is Duffy Null status associated with lower neutrophil counts?What if we told you not everyone with a low neutrophil count is at a higher risk of infection? One cause of this fascinating phenomenon is known as the Duffy Null Associated Neutrophil Count, sometimes referred to as Duffy Null or DANC. It’s found in some individuals of African ancestry. It was previously named “Benign Ethnic Neutropenia,” but has largely been replaced by “Duffy-null associated neutrophil count” due to our...