Author: Stephen Hibbs, HARP Doctoral Research Fellow and Haematology Registrar, Queen Mary University of London

You receive a phone call: the results from routine blood tests show a “low white cell count”. Your doctor explains that more investigations are necessary, perhaps a referral to the haematologists. This might represent something concerning. But what if this “low white cell count” were completely normal for you, because of a harmless genetic variant […]