P20 also started the introduction of HE based on low sIgE levels of ovomucoid (decreasing IgE of 0.37 kU/L to 0.27 kU/L) and decreasing sIgE to egg white (0.38 kU/L to 0.32 kU/L). The gene discussed is IGHE; the disease is hereditary elliptocytosis.